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Percentage Increase Calculator (UK)

Percentage Increase Formula:

\[ \text{Increase} = \left( \frac{\text{New} - \text{Old}}{\text{Old}} \right) \times 100 \]

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1. What is a Percentage Increase Calculator?

Definition: This calculator determines the percentage increase between an old value and a new value.

Purpose: It helps users measure growth, inflation, price changes, performance improvements, and other comparative metrics.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ \text{Increase} = \left( \frac{\text{New} - \text{Old}}{\text{Old}} \right) \times 100 \]

Where:

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

3. Importance of Percentage Increase Calculation

Details: Percentage increase is widely used in finance, economics, business, and statistics to measure growth rates, price changes, and performance metrics.

4. Using the Calculator

Tips: Enter both old and new values as positive numbers. The calculator will show the percentage increase (or decrease if negative).

5. Frequently Asked Questions (FAQ)

Q1: What does a negative result mean?
A: A negative percentage indicates a decrease rather than an increase between the old and new values.

Q2: How is this different from percentage points?
A: Percentage increase measures relative change, while percentage points measure absolute difference between percentages.

Q3: Can I use this for percentage decrease calculations?
A: Yes, the same formula works for decreases (which will show as negative percentages).

Q4: What's the maximum percentage increase possible?
A: There's no theoretical maximum - a new value can be infinitely larger than the old value.

Q5: Why does the calculator require positive values?
A: Negative values can create mathematical anomalies (like division by zero) and complicate interpretation.

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