JSFiddle - React, Tailwind, and code Playground

HTML

<div id="counter">
    <p><span>100</span>%</p>
</div>

JavaScript

var stop = 6;

function decrease(){
    var percent = Number($('#counter span').text());
    if(percent > stop){
        $('#counter span').text(--percent);
        var t = setTimeout(decrease,1000);
    }
}
setTimeout(decrease,1000);