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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

—

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.

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