Using Jquery or Javascript you can update label after it load .
 
	STEPS :
 
	1.  creating setTimeout function that run after 2 seconds.
 
	2. Loop through all the label and calculate total (to percentage generate) 
 
	3. Loop Through Again and replace label value with your value.
 
	 
 
	window.setTimeout(function(){
 
	var getTotal = 0; 
	var selector = "#revenue-block tspan" 
	document.querySelectorAll(selector).forEach(function(ele){ 
	    if(ele && ele.innerHTML && ele.innerHTML.split(',').length > 1){ 
	        var arr = ele.innerHTML.split(','); // paid, 2000k or pend,3000k 
	        var value = +arr[1].replace(/[a-zA-z, ]/g,''); // 2000k => 2000   
	        if(value > 0){ 
	            getTotal += value; 
	        } 
	    } 
	});
 
	document.querySelectorAll(selector).forEach(function(ele){ 
	    if(ele && ele.innerHTML && ele.innerHTML.split(',').length > 1){ 
	        var arr = ele.innerHTML.split(','); // paid, 2000k or pend,3000k 
	        var value = +arr[1].replace(/[a-zA-z ]/g,'');  // 2000k => 2000   
	        var per = Math.round(((value/getTotal)*100)     * 100) / 100; // 34.556788 => 34.55 (you can also used number.toFixed(2) ) 
	        if(per > 0){ 
	            ele.innerHTML = ele.innerHTML + ' (' + per + '%)'; 
	        } 
	    } 
	});
 
	},2000);