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