Percentage Decrease Formula:
From: | To: |
Definition: This calculator determines the percentage decrease between an original value and a new value.
Purpose: It helps quantify reductions in values like prices, quantities, or measurements as a percentage.
The calculator uses the formula:
Where:
Explanation: The difference between original and new value is divided by the original value, then multiplied by 100 to get a percentage.
Details: Percentage decrease is widely used in finance, economics, business, and science to measure reductions in prices, quantities, rates, and other metrics.
Tips: Enter the original value and new value (must be ≤ original for decrease). Both values must be positive numbers.
Q1: What if my new value is higher than original?
A: The calculator will show 0% decrease (it doesn't calculate percentage increases).
Q2: Can I use this for price reductions?
A: Yes, this is commonly used to calculate discount percentages or price drops.
Q3: How precise are the results?
A: Results are shown with 2 decimal places for percentage values.
Q4: What units should I use?
A: The calculator is unitless - use any consistent units for both values.
Q5: Can I calculate percentage increase with this?
A: No, this calculator only shows decreases. For increases, use a percentage increase calculator.