Percentage calculator

Written by: H. Candido on 2024-06-05

Calculate the percentage of a number quickly and easily.

Number:

Percentage (%):

Result:

How does the percentage calculation work?

Calculating the percentage of a number is a fundamental mathematical operation. To calculate X% of a number Y, you multiply Y by X and divide the result by 100. The formula is:

(Y * X) / 100

For example, to calculate 20% of 150:

(150 * 20) / 100 = 30

This calculator simplifies the process, providing immediate results and a graphical representation for better understanding.

FAQ – Frequently Asked Questions

How do you calculate the percentage between two numbers?

To find the percentage that A represents relative to B,

divide A by B
And multiply by 100: (A / B) * 100.

How is the percentage increase calculated?

Subtract the initial value from the final value, divide by the initial value, and multiply by 100.

How is the percentage decrease calculated?

Subtract the final value from the initial value, divide by the initial value, and multiply by 100.

The result will be a negative number, indicating decrease.