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Percentage Calculation

Tool to convert percentages/ratio/fractions. Percentage calculation consists in writing a number via a fraction of 100, using the sign %.

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Percentage Calculation -

Tag(s) : Statistics

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# Percentage Calculation

## Computing with Percentage and Number

Tool to convert percentages/ratio/fractions. Percentage calculation consists in writing a number via a fraction of 100, using the sign %.

### How to convert a fraction into a percentage?

A percentage is ratio for 100 items. In mathematics and more specifically in statistics, it is a transformed fraction with the denominator 100 (one hundred). To convert a fraction to a percentage multiply the numerator and the denominator by a factor in order to have the denominator equals to 100.

Example: $3/4 = (3*25)/(4*25) = 75/100 = 75\%$

### How to convert a percentage to a fraction?

A percentage is already a fraction (over 100), write this proportion in lowest term.

Example: $25\% = 25/100 = 1/4$

### How to convert a percentage into a decimal number?

A percentage is a fraction and a fraction is a number, so converting a percentage to a number is making the corresponding division.

Example: $4\% = 4/100 = 0.04$

### How to calculate an equation with percentages?

The dCode tools as the equation solver allows to solve equations such as :

Example: If 25% of X = 100, Then X = ? (The answer is 400)

### What does pc means?

Sometimes the letters pc are used as an abbreviation of the word percent, often when the % key is not available (some keyboards or typewriters do not contain this sign)

## Source code

dCode retains ownership of the source code of the script Percentage Calculation online. Except explicit open source licence (indicated Creative Commons / free), any algorithm, applet, snippet, software (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or any function (convert, solve, decrypt, encrypt, decipher, cipher, decode, code, translate) written in any informatic langauge (PHP, Java, C#, Python, Javascript, Matlab, etc.) which dCode owns rights will not be released for free. To download the online Percentage Calculation script for offline use on PC, iPhone or Android, ask for price quote on contact page !