npm i tailwind-percentage-util || yarn add tailwind-percentage-util

//tailwind.config.js
const  percentageUtil = require('tailwind-percentage-util'); // load the plugin
module.exports = {
    purge: ['./src/**/*.{js,jsx,ts,tsx}', './public/index.html'],
    darkMode:  false, // or 'media' or 'class'
    theme: {},
    variants: {
       extend: {},
    },
    plugins: [
        percentageUtil, // tell tailwind that you want to use it
        //other plugins...
    ]
};