# What is 30% of 400?

We have to find 30% of 400

A percentage is a number or ratio that can be expressed as a fraction of 100.

### To calculate the percentage of a number

To calculate the percentage of a number, we need to use a different formula such as:

P% of Number = X

where X is the required percentage.

If we remove the % sign, then we need to express the above formulas as;

P/100 * Number = X

### Solution

Percentage’ is obtained by multiplying 400 by 30%.
30% × 400
=(30 ÷ 100) × 400
=(30 × 400) ÷ 100
=1200 ÷ 100
=12

30% × 400 = 12