1. What Is Percentage Change?

Percentage change measures the relative difference between an old value and a new value, expressed as a percentage. It is commonly used in finance, economics, and business to track growth rates, performance changes, and year-over-year comparisons.

2. How Does The Calculator Work?

The calculator uses the percentage change formula:

Where:

• \( New \) — The new or current value
• \( Old \) — The original or previous value

Explanation: The formula calculates the relative difference between two values and expresses it as a percentage of the original value.

3. Importance Of Percentage Change Calculation

Details: Percentage change is essential for analyzing trends, measuring growth or decline, making investment decisions, and evaluating business performance over time.

4. Using The Calculator

Tips: Enter both new and old values as positive numbers. The old value must be greater than zero to avoid division by zero errors.

5. Frequently Asked Questions (FAQ)

Q1: What does a negative percentage change indicate?
A: A negative percentage change indicates a decrease or decline from the old value to the new value.

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

Q3: Can percentage change be more than 100%?
A: Yes, if the new value is more than double the old value, the percentage change will exceed 100%.

Q4: What are common applications of percentage change?
A: Common applications include stock price changes, revenue growth, population changes, inflation rates, and performance metrics.

Q5: How do I interpret a 0% change?
A: A 0% change indicates that the new value is exactly the same as the old value, showing no change over the period.