Percentage Calculators
Percentage Decrease Calculator
This Percentage Decrease Calculator helps you find how much a value has dropped in terms of percentage. Whether you want to calculate discounts, price drops, depreciation, weight loss, or reduction in numbers, this tool gives instant and accurate results on any device.
What This Calculator Can Do
- Calculate percentage decrease between two numbers
- Show how much a value has reduced over time
- Find discount percent on products
- Calculate depreciation of cars, assets, devices, etc.
- Useful for finance, math, fitness and business analytics
Percentage Decrease Formula
The formula to calculate percentage decrease is:
Percentage Decrease = ((Original Value − New Value) ÷ Original Value) × 100
This helps you understand exactly how much the value has dropped compared to the original amount.
Example Calculation
Question: A product price decreased from ₹1200 to ₹900. What is the percentage decrease?
Percentage Decrease = ((1200 − 900) ÷ 1200) × 100
= (300 ÷ 1200) × 100
= 0.25 × 100
= 25%
The price dropped by 25%.
Where Percentage Decrease is Used?
- Price drop in shopping offers
- Salary deduction calculations
- Finding reductions in weight, expenses or marks
- Value depreciation of vehicles, gadgets and machinery
- Business profit-loss analysis
- Data reduction and analytics
Why Use This Online Percentage Decrease Calculator?
- Fast and accurate percentage calculations
- Lightweight and mobile-friendly UI
- Perfect for students, shoppers, accountants and business users
- Works instantly in your browser – no login required
- Shows formula & steps for better understanding
Quick Percentage Tips
- If the value goes down, it's a percentage decrease.
- Decrease = Original – New
- Always divide by the original value, not the new value.
- 50% decrease = value becomes half
- 10% decrease = subtract 1/10th of the original number