$Percentage of a Number$

Percentage of a Number

The calculator finds a given percentage of a number with a step-by-step solution.

What is the percentage of a number

This calculator finds a percentage of a number, in other words, how much a given percent of a number is.

A percent is one hundredth part of a whole. A percentage of a number is a part of that number.

How to find a percentage of a number?

To find a percentage of a number, use the following formula:

$\frac{percent}{100 %} \cdot number$

where percent is the number of percent and number is the original number.

Example
Find 5% of 20:
$\frac{5 %}{100 %} \cdot 20 = 1$

Example
An item costs $34.70. When you buy two, there is a 5% discount. Find the discount amount.
$34.70 \cdot 2 = 69.40$
$\frac{5 %}{100 %} \cdot 69.40 = 3.47$
So the discount is $3.47.

The percentage of a number calculator is useful for learning operations with percentages and for any other calculation where you need to find a part of a whole.