Percentage Calculator
Four calculation modes for all your percentage needs.
What is % of ?
is what % of ?
Percentage change from to ?
increased by % =
Free Online Percentage Calculator – Calculate Percentages Instantly
Struggling with percentage calculations? Our Free Percentage Calculator handles four common percentage scenarios instantly – what is X% of Y, what percentage is X of Y, percentage change, and percentage increase/decrease.
🔢 Four Calculation Modes
- Mode 1: What is X% of Y? (e.g. What is 20% of 500?)
- Mode 2: X is what percentage of Y? (e.g. 50 is what % of 200?)
- Mode 3: Percentage change from X to Y (e.g. from 80 to 100 = +25%)
- Mode 4: Increase/decrease a number by a percentage
👥 Common Use Cases
- Calculate discounts on shopping
- Find tax amounts
- Analyze sales growth percentages
- Academic grade calculations
- Financial planning and investment returns
❓ FAQs
Q: How do I calculate a discount?
Use Mode 1: enter the discount percentage and the original price. Example: 30% of $150 = $45 discount.
Q: What is percentage change?
It measures how much a value increased or decreased relative to the original. Formula: ((New – Old) / Old) × 100.
✅ Conclusion
Our Free Percentage Calculator covers all the everyday percentage problems you encounter – from shopping discounts to academic scores to business growth rates. Fast, accurate, and completely free.