1. What is Percentage Increase?

Percentage increase measures how much a quantity has grown relative to its original value, expressed as a percentage. It's commonly used to track growth in business metrics, investments, prices, and other measurable quantities.

2. How Does the Calculator Work?

The calculator uses the percentage increase formula:

Explanation: The formula calculates the difference between the new and old values, divides by the original value to get the relative change, then converts to a percentage by multiplying by 100.

3. Practical Applications

Examples:

• Calculating salary increases
• Measuring sales growth
• Tracking investment returns
• Analyzing price changes
• Evaluating performance improvements

4. Using the Calculator

Instructions: Enter the old (original) value and the new value. The old value must be greater than zero. The calculator will show the percentage increase between the two values.

5. Frequently Asked Questions (FAQ)

Q1: What if I get a negative percentage?
A: A negative result indicates a percentage decrease rather than an increase.

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

Q3: What's the maximum percentage increase possible?
A: There's no theoretical maximum - a value increasing from 1 to 100 would be a 9,900% increase.

Q4: How do I calculate percentage decrease?
A: The same formula works - it will automatically show a negative percentage for decreases.

Q5: Why is the old value required to be positive?
A: Division by zero is undefined, and negative values can lead to misleading percentage changes.