Percentage Decrease
About Percentage Decrease Calculator
The Percentage Decrease Calculator helps you quickly find how much a value has dropped in percentage terms. Whether you’re calculating a price drop, loss in value, or score reduction, this tool gives accurate and instant results.
Formula (Simple Explanation)›
Percentage Decrease = ((Old Value - New Value) ÷ Old Value) × 100
This formula measures how much a number has decreased compared to its original value. For example, if a product price drops from ₹500 to ₹400, the decrease is ((500 - 400) ÷ 500) × 100 = 20%.
Example:
Input: Old value: ₹800, New value: ₹600
Output: Percentage Decrease = ((800 - 600) ÷ 800) × 100 = 25%
Steps to Use:
- Enter the original (old) value.
- Enter the new or reduced value.
- Click 'Calculate' to find the percentage decrease.
- Use the result to understand reduction in price, score, or quantity.
Frequently Asked Questions
What is a percentage decrease?›
A percentage decrease shows how much a value has dropped relative to its original amount. It’s commonly used for discounts, losses, or performance reductions.
How do I calculate percentage decrease manually?›
Subtract the new value from the old value, divide by the old value, and multiply by 100. For example: ((500 - 400) ÷ 500) × 100 = 20%.
Can this calculator be used for discounts?›
Yes. The percentage decrease formula works perfectly for calculating discounts or price drops.
What is the difference between percentage decrease and percentage change?›
Percentage decrease only measures a reduction, while percentage change measures both increases and decreases in value.
Is the result always a positive number?›
Yes. The formula is designed to show the magnitude of decrease as a positive percentage value.