Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/3.10.1/lodash.min.js"></script>

JavaScript

var num = 0.056789,
    roundingPrecision = 4,
	roundedNum = _.round(num, roundingPrecision),
    percent = (roundedNum * 100) + '%';

console.log('roundedNum', roundedNum); // 0.0568
console.log('percent', percent); // 5.680000000000001%

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JSFiddle - React, Tailwind, and code Playground

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