1. What is a Percentage Decrease Calculator?

Definition: This calculator determines the percentage decrease between an original value and a new value.

Purpose: It helps analyze reductions in quantities like prices, measurements, or performance metrics.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• Original Value — The initial quantity before decrease
• New Value — The quantity after decrease

Explanation: The difference between values is divided by the original value, then multiplied by 100 to convert to percentage.

3. Importance of Percentage Decrease Calculation

Details: Useful for financial analysis, performance tracking, statistical comparisons, and measuring changes over time.

4. Using the Calculator

Tips: Enter both original and new values. The original value must be greater than 0.

5. Frequently Asked Questions (FAQ)

Q1: What does a negative result mean?
A: A negative percentage indicates an increase rather than a decrease.

Q2: Can the new value be zero?
A: Yes, a new value of zero would result in a 100% decrease.

Q3: How is this different from percentage difference?
A: Percentage decrease specifically measures reduction from original to new value.

Q4: What's the maximum possible percentage decrease?
A: The maximum is 100%, which occurs when the new value is zero.

Q5: How do I calculate percentage increase instead?
A: Swap the original and new values in the formula.