Free Percentage Calculator

Calculate percentages quickly and accurately with our professional Percentage Calculator. Whether you need to find a percentage of a number, determine percentage increase or decrease, compare two values, or calculate percentage change, our free online tool makes it simple.

Our calculator works instantly in your browser without requiring registration or software installation.

Features

• Calculate X% of any number
• Find what percentage one number is of another
• Percentage Increase Calculator
• Percentage Decrease Calculator
• Percentage Difference Calculator
• Percentage Change Calculator
• Live calculations
• Copy results
• Formula display
• Step-by-step calculations
• Calculation history
• Mobile-friendly interface
• Fast browser-based processing
• Completely free

Calculator Modes

What is X% of Y?

Find the percentage value of any number.

Example:

• What is 25% of 200?
• Answer: 50

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X is What Percent of Y?

Find what percentage one value represents of another.

Example:

• 40 is what percent of 200?
• Answer: 20%

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Percentage Increase

Calculate how much a value has increased.

Example:

• Old Price: ₹500
• New Price: ₹650
• Increase: 30%

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Percentage Decrease

Calculate how much a value has decreased.

Example:

• Old Price: ₹1000
• New Price: ₹800
• Decrease: 20%

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Percentage Difference

Compare two numbers and find their percentage difference.

Example:

• Value A: 80
• Value B: 100
• Difference: 22.22%

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Percentage Change

Measure the overall percentage change between two values.

Example:

• 200 → 250 = +25%
• 200 → 150 = −25%

Common Percentage Examples

• 10% of 100
• 15% of 250
• 20% of 500
• 25% Discount
• 18% GST
• 12% Tax
• 30% Profit
• 50% Increase

Percentage Formulas

Percentage of a Number

Result = (Percentage ÷ 100) × Number

What Percent?

Percentage = (Value ÷ Total) × 100

Percentage Increase

((New Value − Old Value) ÷ Old Value) × 100

Percentage Decrease

((Old Value − New Value) ÷ Old Value) × 100

Percentage Difference

(|Value1 − Value2| ÷ Average of Both Values) × 100

Percentage Change

((New Value − Old Value) ÷ Old Value) × 100

Why Use Our Percentage Calculator?

Our calculator provides instant and accurate percentage calculations for students, teachers, business owners, accountants, shoppers, and professionals.

It is useful for:

• Shopping discounts
• GST calculations
• Tax calculations
• Salary increases
• Profit margin
• Business reports
• School mathematics
• Financial planning

Advantages

• Fast calculations
• Accurate formulas
• Unlimited usage
• No signup required
• Works on all devices
• Browser-based processing
• Easy-to-use interface

Frequently Asked Questions

Is this Percentage Calculator free?

Yes. It is completely free.

Does it support multiple calculation types?

Yes. It can calculate percentages, percentage increase, decrease, difference, and percentage change.

Can I calculate discounts?

Yes. The calculator is useful for discount calculations.

Does it work on mobile devices?

Yes. It is fully responsive and works on smartphones, tablets, and desktop computers.

Are calculations accurate?

Yes. All calculations use standard mathematical percentage formulas.

Is my data uploaded?

No. Everything is calculated locally in your browser.

Conclusion

Whether you need to calculate percentages for shopping, education, business, finance, taxes, discounts, or daily use, our free Percentage Calculator provides accurate and reliable results in seconds.