Percentage Decrease Calculator
Calculate percentage decrease, find original values, or determine new values after a percentage reduction. Get detailed step-by-step calculations.
Select Calculation Type
Calculate Percentage Decrease
Percentage Decrease
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Formulas
% Decrease = ((Original - New) / Original) × 100
Examples
Price Reduction:
$100 → $75 = 25% decrease
Find Original:
If $80 is after 20% decrease, original = $80 ÷ 0.8 = $100
Common Percentage Decreases
100 → 90
10% ↓
100 → 75
25% ↓
100 → 50
50% ↓
200 → 150
25% ↓
80 → 60
25% ↓
120 → 96
20% ↓
150 → 120
20% ↓
300 → 210
30% ↓
Real-World Applications
Sales & Discounts
Calculate discount percentages, sale price reductions, and promotional offers.
Business Analysis
Analyze revenue drops, cost reductions, and performance declines.
Health & Fitness
Track weight loss, body fat reduction, and health improvements.
Economics
Calculate deflation rates, price drops, and economic contractions.
Frequently Asked Questions
To calculate percentage decrease: (1) Subtract the new value from the original value, (2) Divide by the original value, (3) Multiply by 100. Formula: ((Original - New) / Original) × 100.
Tips
- Enter the dimensions in the same unit for consistency.
- Results update automatically as you type.
- Use the unit selector to convert between different measurement systems.