Make a number a percentage

Question

What s the best way to strip the  0  XXX  off a number and make it a percentage   What happens if the number happens to be an int   var number1   4 954848  var number2   5 9797     document  ready function             final   number1 number2      alert final toFixed 2

User · Answer

Numeral js is a library I created that can can format numbers  currency  percentages and has support for localization   numeral 0 7523  format  0       returns string  75    numeral js

User · Answer

The best solution  where en is the English locale   fraction toLocaleString  en    style   percent

User · Answer

xtrem s answer is good  but I think the toFixed and the makePercentage are common use  Define two functions  and we can use that at everywhere   const R   require  ramda   const RA   require  ramda-adjunct    const fix   R invoker 1   toFixed   2   const makePercentage   R when    RA isNotNil    R compose R flip R concat        fix  R multiply 100       let a   0 9988 let b   null  makePercentage b     - gt  null makePercentage a     - gt       99 88

User · Answer

portion total    100  toFixed 2

User · Answer

A percentage is just    number one   number two    100   No need for anything fancy   var number1   4 954848  var number2   5 9797   alert Math floor  number1   number2    100      w00t

User · Answer

Most answers suggest appending     at the end  I would rather prefer Intl NumberFormat   with   style   percent     x000D   x000D  var num   25  x000D   x000D  var option     x000D    style   percent  x000D   x000D     x000D  var formatter   new Intl NumberFormat  en-US   option   x000D  var percentFormat   formatter format num   100   x000D  console log percentFormat   x000D   x000D   x000D

User · Answer

var percent   Math floor 100   number1   number2 - 100

User · Answer

Well  if you have a number like 0 123456 that is the result of a division to give a percentage  multiply it by 100 and then either round it or use toFixed like in your example   Math round 0 123456   100    12   Here is a jQuery plugin to do that   jQuery extend       percentage  function a  b            return Math round  a   b    100               Usage   alert   percentage 6  10

[javascript] Make a number a percentage

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