Percentage Calculator

What is X% of Y?

Example: What is 18% of ₹5,000? → ₹900

What is % of ?

X is what % of Y?

Example: 450 is what % of 1800? → 25%

is what % of ?

Percentage Increase / Decrease

Example: Price changed from ₹800 to ₹1,000 — what % change?

From To

Find Original Value before % change

Example: After 20% increase price is ₹1,200 — what was original?

Final value after %

Add % to a number

Example: ₹10,000 + 18% GST = ₹11,800

+ %

Subtract % from a number

Example: ₹2,000 - 25% discount = ₹1,500

− %

Quick Percentage Reference

10%

= 1/10

20%

= 1/5

25%

= 1/4

33%

≈ 1/3

50%

= 1/2

75%

= 3/4

= 1/20

12.5%

= 1/8

How to Use the Percentage Calculator

Our free Percentage Calculator offers 6 types of percentage calculations in one place. Whether you are a student solving maths problems, a shopkeeper calculating discounts, a businessman computing GST, or an employee calculating appraisal percentages, this tool handles everything instantly.

6 Types of Percentage Calculations

What is X% of Y? Example: What is 18% of 10000? Answer: 1800
X is what % of Y? Example: 450 is what % of 1800? Answer: 25%
Percentage Increase/Decrease Example: Price went from 800 to 1000. Increase = 25%
Find original value Example: After 20% increase price is 1200. Original = 1000
Add % to number Example: 10000 + 18% GST = 11800
Subtract % from number Example: 2000 - 25% discount = 1500

Percentage Formula

The basic percentage formula is: Percentage = (Value / Total Value) x 100. To find a percentage of a number: Result = (Percentage / 100) x Number. For percentage change: Change% = ((New Value - Old Value) / Old Value) x 100.

Frequently Asked Questions

How to calculate percentage of marks?

Percentage of marks = (Marks obtained / Total marks) x 100. Example: If you scored 450 out of 600, your percentage = (450/600) x 100 = 75%.

How to calculate percentage increase in salary?

Salary increase % = ((New Salary - Old Salary) / Old Salary) x 100. Example: Salary increased from 50000 to 60000. Increase = (10000/50000) x 100 = 20%.

What is 10% of 1000?

10% of 1000 = (10/100) x 1000 = 100. A quick trick: To find 10% of any number, simply divide it by 10. So 10% of 5000 = 500, 10% of 25000 = 2500.

How to calculate profit percentage?

Profit % = (Profit / Cost Price) x 100. Example: Bought item for 800, sold for 1000. Profit = 200. Profit % = (200/800) x 100 = 25%.

Prime Tools

Quick Percentage Reference

Related Calculators

How to Use the Percentage Calculator

6 Types of Percentage Calculations

Percentage Formula

Frequently Asked Questions