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How to Figure Percentage Increase Calculator

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 measure growth, inflation, performance improvements, or any change between two values.

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 is divided by the old value, then multiplied by 100 to get a percentage.

3. Importance of Percentage Increase Calculation

Details: This calculation is fundamental in finance, economics, business analysis, and performance tracking across many fields.

4. Using the Calculator

Tips: Enter both old and new values (must be positive numbers). The calculator will show the percentage increase.

5. Frequently Asked Questions (FAQ)

Q1: What if my old value is zero?
A: The calculation is undefined (division by zero). You can't calculate percentage increase from zero.

Q2: What does a negative result mean?
A: A negative result indicates a percentage decrease rather than increase.

Q3: How is this different from percentage difference?
A: Percentage increase is directional (new vs old), while percentage difference compares any two values symmetrically.

Q4: Can I use this for percentage decrease?
A: Yes, the result will be negative when new value is less than old value.

Q5: What's the maximum percentage increase possible?
A: There's no theoretical maximum - it can be any positive value up to infinity.

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