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Percentage Decrease Calculator

Calculate the percentage decrease between two values. Perfect for discounts, salary cuts, population decline, weight loss, and more.

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How to Calculate Percentage Decrease

Calculating percentage decrease is straightforward with our simple 3-step formula:

  1. Find the difference between the original and final values: Original Value - Final Value
  2. Divide this difference by the absolute value of the original value: (Original - Final) / |Original|
  3. Multiply by 100 to convert to percentage: Result × 100

Formula:

Percentage Decrease = [(Original Value - Final Value) / |Original Value|] × 100

Common Use Cases

💰 Price Discounts

Calculate how much you save with sales, coupons, or promotional offers.

📊 Business Analysis

Analyze revenue drops, cost reductions, or performance declines.

⚖️ Weight Loss

Track your weight loss progress as a percentage of your starting weight.

📈 Population Studies

Measure population decline rates in demographics research.

Frequently Asked Questions

Disclaimer: This calculator is provided for informational purposes only. Results should not be considered as professional financial, medical, or legal advice. Always consult with qualified professionals for important decisions.