js calculate percentage between two numbers

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function calculatePercentage(x,y){
  return `${x / y * 100}%`; // so x is __% of y
}


// Usage example:
console.log(calculatePercentage(30,60)); // 50%
console.log(calculatePercentage(10,50)); // 20%
console.log(calculatePercentage(15,10)); // 150%
console.log(calculatePercentage(60,30)); // 200%