JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<div id="layers-widget-column-10" class="widget layers-content-widget content-vertical-massive  " >
   <div class="container list-grid">
      <div class="grid">
        <div id="layers-widget-column-10-575" class="layers-masonry-column layers-widget-      column-575 span-2  first  column ">
          <div class="media image-top medium"><div class="media-body text-left">												
            <h5 class="heading">
                100%
            </h5>	
            <div class="excerpt">
                <p>Talented professionals who get the job done</p>
            </div>		
        </div>
    </div>
</div>

JavaScript

$("#layers-widget-column-10 h5").each( function() { 
  var counter = $.trim($(this).text());
  var percentage = counter.substring(counter.length-1) == '%'; //Последний символ %?
  console.log(percentage,counter.substring(counter.length-1));
  $(this).prop('Counter', 0).animate({ 
      Counter: (percentage?counter.substring(0, counter.length-1):counter) //Если проценты, возращаем строку без последнего символа
    }, { 
      duration: 1500, 
      easing: 'swing', 
      step: function(now) { 
        $(this).text(Math.ceil(now)+(percentage?'%':'')); //Если процент, добавляем знак процента
      } 
    }
  );
});