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📊 Percentage Calculator

Calculate percentages the easy way

What is X% of Y?
X is what % of Y?
% Change
of
is what % of
→

🌟 Why Use Our Percentage Calculator?

Percentages are everywhere - discounts, tips, taxes, exam scores, and statistics. Our calculator makes percentage calculations instant and error-free!

⚡
Lightning Fast
🎯
100% Accurate
🔢
Multiple Modes
🆓
Always Free
📱
Mobile Friendly
💡
Easy to Use
20% of 500
= 100
50 is what % of 200
= 25%
100 → 150
= +50% increase

✨ Key Features

📊
Multiple Calculation Types
Calculate basic percentages, reverse percentages, and percentage changes
🎓
Perfect for Students
Great for homework, test scores, grade calculations, and math practice
🛍️
Shopping & Discounts
Calculate sale prices, discounts, and savings instantly
💼
Business Analytics
Track growth rates, profit margins, and financial metrics
📈
Increase & Decrease
See if values went up or down and by how much
🔍
Decimal Precision
Supports decimal inputs for precise calculations

📖 How to Use This Percentage Calculator

Mode 1: What is X% of Y?

Step 1: Enter the percentage (e.g., 20 for 20%)

Step 2: Enter the number (e.g., 500)

Step 3: Click Calculate to get the answer (20% of 500 = 100)

Use for: Calculating tips, discounts, tax amounts, or any "X% of Y" problems.

Mode 2: X is what % of Y?

Step 1: Enter the first number (e.g., 50)

Step 2: Enter the second number (e.g., 200)

Step 3: Click Calculate to find the percentage (50 is 25% of 200)

Use for: Finding what percentage one number represents of another.

Mode 3: Percentage Change

Step 1: Enter the original value (e.g., 100)

Step 2: Enter the new value (e.g., 150)

Step 3: See the percentage increase or decrease (+50% increase)

Use for: Tracking price changes, growth rates, salary increases, weight loss/gain.

💡 Quick Tip

Switch between modes using the tabs at the top. Each mode is designed for different types of percentage calculations!

❓ Frequently Asked Questions

Q: How do I calculate a percentage of a number?
A: To find X% of Y, multiply Y by X and divide by 100. For example, 20% of 500 = (500 × 20) ÷ 100 = 100. Our calculator does this instantly!
Q: How do I calculate percentage increase or decrease?
A: Percentage change = ((New Value - Original Value) / Original Value) × 100. If the result is positive, it's an increase; if negative, it's a decrease. Use our "% Change" mode for this!
Q: How do I calculate what percentage one number is of another?
A: To find what % X is of Y, divide X by Y and multiply by 100. For example, 50 is what % of 200? (50 ÷ 200) × 100 = 25%. Use our "X is what % of Y" mode!
Q: Can I use this calculator for discounts and sales?
A: Absolutely! If something costs ₹500 with a 20% discount, use Mode 1: "What is 20% of 500?" = ₹100 discount. Final price = ₹500 - ₹100 = ₹400.
Q: How do I calculate tips at restaurants?
A: Use Mode 1. If your bill is ₹800 and you want to leave a 15% tip, calculate "What is 15% of 800?" = ₹120 tip. Total = ₹920.
Q: Can this handle decimal percentages?
A: Yes! You can enter decimal values like 12.5% or 3.75%. The calculator handles all decimal inputs for precise calculations.