Как сделать подсчёт посещённых стран в Tilda

<script>
function updateDonutChart (el, percent, donut) {
    percent = Math.round(percent);
    if (percent > 100) {
        percent = 100;
    } else if (percent < 0) {
        percent = 0;
    }
    var deg = Math.round(360 * (percent / 100));

    if (percent > 50) {
        $(el + ' .pie').css('clip', 'rect(auto, auto, auto, auto)');
        $(el + ' .right-side').css('transform', 'rotate(180deg)');
    } else {
        $(el + ' .pie').css('clip', 'rect(0, 1em, 1em, 0.5em)');
        $(el + ' .right-side').css('transform', 'rotate(0deg)');
    }
    if (donut) {
        $(el + ' .right-side').css('border-width', '0.04em');
        $(el + ' .left-side').css('border-width', '0.04em');
        $(el + ' .shadow').css('border-width', '0.01em');
    } else {
        $(el + ' .right-side').css('border-width', '0.4em');
        $(el + ' .left-side').css('border-width', '0.4em');
        $(el + ' .shadow').css('border-width', '0.01em');
    }
    $(el + ' .num').text(percent);
    $(el + ' .left-side').css('transform', 'rotate(' + deg + 'deg)');
}
  

     
</script>


<script>
$(document).ready(function() {

let txtCountry = $('.uc-city-popup .t390__title').text();

let pieP = `
    <div id="specificChart" class="donut-size t-text">
      <div class="pie-wrapper">
        <span class="label">

        <div class="imm">Я посетил</div> 
        <div class="percent"><span class="num">0</span><span class="smaller">%</span></div> 
        <div class="country">${txtCountry}</div> 
        <div class="pop-ct-need">Осталось ещё <span></span></div> 
                 

        </span>
        <div class="pie">
          <div class="left-side half-circle"></div>
          <div class="right-side half-circle"></div>
        </div>
        <div class="shadow"></div>
      </div>
    </div>
    
    <div class="bott-cont t-text">
        
        <img src="https://static.tildacdn.com/tild3464-6431-4139-a432-346634316539/9470970.jpg">
        <p>Сделай скрин и поделись в соцсетях своими достижениями!</p>
        
        
        <img class="close-btn" src="https://static.tildacdn.com/tild6332-3737-4332-b966-636236306466/Vector_36.svg">
        
        
    </div>

            `;
            
$('.uc-city-popup .t390__title').after(pieP);            



$('.uc-zero-panel, .uc-city-list').addClass('cmn-blk');
$('.cmn-blk').wrapAll('<div class="wrap-pnl-blk"></div>');

function writeFinal(){
    let count = $('.act_li').length;
    $('.count .tn-atom').text(count);
    
    let ctNum = $('.uc-city-list li').length;
    let percent = (count*100)/ctNum;
    $('.percent .tn-atom').text(percent.toFixed(0)+'%');
    
    $('.pop-ct-all span').text(ctNum);
    $('.pop-ct-need span').text(ctNum-count);
    
    updateDonutChart('#specificChart', percent, true);

    
    if(count>0){
        
        $('a[href="#popup:final"]').addClass('active_btnf');
          
    }else{
        
        $('a[href="#popup:final"]').removeClass('active_btnf');
            
    };
    

    

};

 
$('.uc-city-list li').click(function(){
    $(this).toggleClass('act_li');
    writeFinal();
});

$('.check').click(function(){
    $(this).toggleClass('active-chk');
    
    
    if( $(this).hasClass('active-chk') ){
        $('.uc-city-list li').addClass('act_li');    
    }else{
        $('.uc-city-list li').removeClass('act_li');    
    };
    
    
    
    writeFinal();
});

$('.cancel').click(function(){
    //window.close();
    $('.uc-city-list li').removeClass('act_li');   
    writeFinal();
    
});


$(document).on('click','.close-btn',function(){
    
    $('.uc-city-popup .t-popup__close')[0].click();
     
});




    
});
</script>


<style>

.check, .cancel{
    cursor: pointer;
}

.uc-zero-panel {
    position: sticky;
    top: 0;
    z-index: 99;
}

.uc-city-list li {
    list-style: none;
    flex-basis: 50%;
    position: relative;
    cursor: pointer;
    padding: 5px 0 5px 10px;
    border-radius: 30px;
}

.uc-city-list ul {
    padding-left: 0px !important;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-gap: 8px 20px;
}

.uc-city-list li:after {
    content: "";
    width: 23px;
    height: 23px;
    position: absolute;
    border: 1px solid #e2e2e2;
    border-radius: 100%;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background-size: cover;
    background-repeat: no-repeat;
}

.uc-city-list li:hover {
    font-weight: 600;
    background-color: #fafafa;
}


li.act_li {
    font-weight: 600;
}


li.act_li:after {
    background-image: url(https://static.tildacdn.com/tild3638-3538-4333-b939-323730613861/Vector_34.svg);
    border-color: transparent;
}

.pop-wrp.t-text {
    margin-top: 12px;
}

.pop-ct-all {
    margin-bottom: 8px;
}

.pop-wrp span {
    font-weight: 500;
}

@media screen and (max-width:560px){
.uc-city-list ul {

    display: grid;
    grid-template-columns: 1fr;

}
}

</style>

<style>

.bott-cont img.close-btn {
    position: absolute;
    width: 30px;
    opacity: 0.5;
    top: -12px;
    right: 10px;
    cursor: pointer;
}

.uc-city-popup .t-popup__close {
    display: none;
}
.uc-city-popup .t-width_6 {
    max-width: 460px;
}


a[href="#popup:final"] {
    pointer-events: none;
    opacity: 0.3;
}

.bott-cont img {
    width: 100%;
    margin-top: 5%;
}

.bott-cont p {
    font-size: 18px;
}

a[href="#popup:final"].active_btnf{
    pointer-events: auto;
    opacity: 1;
}

span.label div {color: #0369b4;line-height: 1;}

.uc-city-popup .t390__title {
    display: none;
}

.imm {
    font-size: 22px;
    margin-bottom: 16px;
}

.percent {
    font-size: 48px;
    font-weight: 500;
}
.pie-wrapper .smaller {
    color: #0369b4;
    vertical-align: baseline;
    font-size: 48px;
    font-weight: 500;
}

.country {
    font-size: 16px;
    font-weight: 400;
    margin-top: 7px;
}

.pop-ct-need {
    font-size: 14px;
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
}

span.label {
    display: flex !important;
    flex-wrap: wrap;
    flex-direction: column;
    justify-content: center;
    margin-top: -30px;
}




*,
*:before,
*:after {
  box-sizing: border-box;
}

.donut-size {
  font-size: 16em;
}

.pie-wrapper {
  position: relative;
  width: 1em;
  height: 1em;
  margin: 0px auto;
}

.pie-wrapper .pie {
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  clip: rect(0, 1em, 1em, 0.5em);
}

.pie-wrapper .half-circle {
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  border: 0.1em solid #0369b4;
  border-radius: 50%;
  clip: rect(0em, 0.5em, 1em, 0em);
  z-index: 3;
}

.pie-wrapper .right-side {
  transform: rotate(0deg);
}

.pie-wrapper .label {
  position: absolute;
  top: 0.52em;
  right: 0.4em;
  bottom: 0.4em;
  left: 0.4em;
  display: block;
  background: none;
  border-radius: 50%;
  color: #7F8C8D;
  font-size: 0.25em;
  line-height: 2.6em;
  text-align: center;
  cursor: default;
  z-index: 2;
}

.pie-wrapper .smaller {
  padding-bottom: 20px;
}

.pie-wrapper .shadow {
  width: 100%;
  height: 100%;
  border: 0.1em solid #BDC3C7;
  border-radius: 50%;
  border-style: dashed;
  transform: scale(0.97);
  position: relative;
  z-index: 1;
}

</style>