JSFiddle - React, Tailwind, and code Playground

HTML

<form oninput="x.value=((parseFloat(winning_number.value)%(parseFloat(total_key_value.value)*100*2))/(parseFloat(total_key_value.value)*2)).toFixed(2)">
<input type="number" id="winning_number" value="" placeholder="Winning Number"> ~ 
<input type="number" id="total_key_value" value="" placeholder = "Total (Keys)">
= <output id="outputvalue" name="x" for="winning_number total_key_value"></output>%
</form>

<button id="boton" type="submit">Submit</button>


<ol id="list"></ol>

JavaScript

$('#boton').click( function() {
  value = $("#outputvalue").html();
	$('#list').append('<li>'+value+'</li>'); 
});