Percentage Increase/Decrease Calculator
Calculate the percentage change between two values, or apply a percentage increase/decrease to a value.
Common Use Cases
💼 Salary Raise
Calculate how much your salary increased after a raise. Enter old and new salary to find the percentage.
🏷️ Price Change
Find out how much a product's price went up or down. Great for tracking inflation and discounts.
📈 Stock Movement
Calculate stock price percentage changes. Track gains and losses in your investment portfolio.
Common Percentage Changes
| Original | +10% | +20% | +25% | +50% | +100% |
|---|---|---|---|---|---|
| 50 | 55 | 60 | 62.5 | 75 | 100 |
| 100 | 110 | 120 | 125 | 150 | 200 |
| 200 | 220 | 240 | 250 | 300 | 400 |
| 500 | 550 | 600 | 625 | 750 | 1,000 |
| 1,000 | 1,100 | 1,200 | 1,250 | 1,500 | 2,000 |
🔒All calculations happen in your browser. No data is sent to any server.