What Is a Percentage?
A percentage is a way of expressing a number as a fraction of 100. The percentage symbol is %. Percentages are commonly used for discounts, marks, interest, statistics, price changes and everyday calculations.
How to Calculate a Percentage
To calculate a percentage of a number, multiply the percentage by the number and divide the result by 100.
For example, to calculate 20% of 500:
20 × 500 ÷ 100 = 100
Therefore, 20% of 500 is 100.
Percentage Formula
The basic formula for calculating a percentage is:
Percentage of a number = (Percentage × Number) ÷ 100
Common Percentage Calculations
Percentages are useful in many everyday situations, including calculating discounts, exam scores, increases, decreases, profits and losses.
- Finding a percentage of a number
- Calculating percentage increase
- Calculating percentage decrease
- Calculating exam marks as a percentage
- Calculating discounts
- Comparing changes between two values
Percentage Examples
Example 1: Find 10% of 500
10% of 500 = 10 × 500 ÷ 100 = 50.
Example 2: Find 25% of 800
25% of 800 = 25 × 800 ÷ 100 = 200.
Example 3: Find 15% of 200
15% of 200 = 15 × 200 ÷ 100 = 30.
Is This Percentage Calculator Free?
Yes. Toolveta's percentage calculator is free to use. No account or registration is required.
Frequently Asked Questions
How do I calculate 20% of a number?
Multiply the number by 20 and divide the result by 100. For example, 20% of 500 is 100.
What is the formula for percentage?
The basic formula is: (Percentage × Number) ÷ 100.
Can I use this calculator on mobile?
Yes. Toolveta's percentage calculator works on mobile phones, tablets and desktop computers.
Do I need to create an account?
No. You can use the calculator without creating an account or registering.