Percentage Change Calculator %

Percentage Change Formula:

\[ \text{Percentage Change} = \left( \frac{\text{New Value} - \text{Original Value}}{\text{Original Value}} \right) \times 100\% \]

Percentage Change:

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1. What is a Percentage Change Calculator?

Definition: This calculator determines the percentage increase or decrease between two values.

Purpose: It helps analyze changes in financial data, measurements, statistics, and other numerical comparisons.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ \text{Percentage Change} = \left( \frac{\text{New Value} - \text{Original Value}}{\text{Original Value}} \right) \times 100\% \]

Where:

Positive result indicates an increase
Negative result indicates a decrease
Zero result means no change

3. Importance of Percentage Change Calculation

Details: Percentage change is crucial for comparing relative differences regardless of the absolute values, making it useful in:

Financial analysis (stock prices, sales figures)
Scientific measurements
Performance tracking
Data analysis

4. Using the Calculator

Tips: Enter the original value and new value. The calculator will show the percentage difference between them.

5. Frequently Asked Questions (FAQ)

Q1: What does a negative percentage change mean?
A: A negative result indicates a decrease from the original value to the new value.

Q2: Can the original value be zero?
A: No, division by zero is undefined. The original value must be non-zero.

Q3: How is this different from percentage difference?
A: Percentage change compares two values over time, while percentage difference compares two simultaneous values.

Q4: What's the maximum percentage increase possible?
A: There's no theoretical maximum - a value can increase by any percentage.

Q5: How do I interpret a 100% increase?
A: A 100% increase means the new value is double the original value.