code: function toPercentage(val) {
      var precision = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
      var min = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
      var max = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 1;
  
      if (!isNumber(val) || isNumericalNaN(val)) {
          throw new TypeError('Value should be numeric');
      }
  
      if (!isNumber(min) || isNumericalNaN(min)) {
          throw new TypeError('Value should be numeric');
      }
  
      if (!isNumber(max) || isNumericalNaN(max)) {
          throw new TypeError('Value should be numeric');
      }
  
      return round((val - min) / (max - min) * 100, precision);
  }
docs: Convert a float value to a percentage