Percentage Reduction Calculator

Percentage Reduction Formula:

\[ \text{Reduction} = \frac{\text{Original} - \text{New}}{\text{Original}} \times 100 \]

Percentage Reduction:

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1. What is a Percentage Reduction Calculator?

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

Purpose: It helps quantify reductions in various contexts like prices, quantities, measurements, or performance metrics.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ \text{Reduction} = \frac{\text{Original} - \text{New}}{\text{Original}} \times 100 \]

Where:

Original — The initial value before reduction
New — The value after reduction

Explanation: The difference between original and new values is divided by the original value, then multiplied by 100 to get a percentage.

3. Importance of Percentage Reduction Calculation

Details: Percentage reduction provides a standardized way to compare decreases across different scales and contexts, useful in finance, science, engineering, and everyday life.

4. Using the Calculator

Tips: Enter the original value and new value (must be ≤ original). The calculator will show the percentage reduction.

5. Frequently Asked Questions (FAQ)

Q1: What if my new value is higher than original?
A: The calculator will show a negative percentage, indicating an increase rather than a reduction.

Q2: Can I use this for price reductions?
A: Yes, this is commonly used to calculate discounts or price decreases.

Q3: How precise are the results?
A: Results are shown with 2 decimal places for precision.

Q4: What units does this calculator use?
A: The calculator is unitless - it works with any consistent units.

Q5: Can I calculate percentage increase with this?
A: Yes, when new value > original, the negative result indicates percentage increase.