## How to calculate a percentage?

**What is**

**of the total**

**The number**

**increased by**

**The number**

**increased by**

**The number**

**decreased by**

**The number**

**is what percentage of**

## What is a percentage?

In mathematics, a percentage is a number or a ratio that represents a fraction of 100. It is denoted by the symbol “%”.

## What is the percentage formula?

A percentage is a number that represents a fraction of 100.

10% is actually 10/100

To calculate what the percentage of a number is:

Number / percentage

for example 10% of 200 we do

200 x (10 / 100) which is equal to : 200 x 0.1

**Le différence en pourcentage entre le nombre **

** et le nombre **