Percentage Calculator

What is the Percentage Calculator?

The Percentage Calculator is a free online tool that instantly works out marks percentage, percentage of a number, percentage increase, percentage decrease and percentage difference between two values. It's built for students checking exam results and marksheets, but works for any everyday percentage calculation.

How to Use the Percentage Calculator

1. Choose the calculation you need — Marks %, % of a Number, Increase, Decrease or Difference.
2. Enter the required values in the fields provided.
3. Your result appears instantly, along with the exact formula used.
4. Every calculation is saved to your on-page history so you can compare results.

Why Use JobRojgar's Percentage Calculator?

• 100% free, with no sign-up or app download required.
• Covers five common percentage calculations in one place.
• Shows the formula alongside the answer, so you understand the "how", not just the number.
• Works instantly on mobile and desktop.

Frequently Asked Questions

How do I calculate marks percentage?

Divide the marks obtained by the total marks, then multiply by 100. For example, 450 out of 500 is (450 ÷ 500) × 100 = 90%.

What is the formula for percentage increase?

Percentage increase = ((New Value − Old Value) ÷ Old Value) × 100. Use the "Increase" tab above to calculate it automatically.

Is this percentage calculator free to use?

Yes, it's completely free with unlimited use — no account or payment needed.

Can I use this for exam result percentage?

Yes — it's commonly used to check marksheet and government exam result percentages using the "Marks %" tab.