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, and other comparative metrics between two values.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• New — The current or updated value
• Old — The original or previous value

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

3. Importance of Percentage Increase Calculation

Details: Percentage increase helps quantify growth rates, compare performance over time, and make data-driven decisions in business, finance, and science.

4. Using the Calculator

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

5. Frequently Asked Questions (FAQ)

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

Q2: Can I use this for financial calculations?
A: Yes, this is commonly used for calculating investment returns, price increases, and revenue growth.

Q3: What's the difference between percentage increase and percentage points?
A: Percentage increase measures relative change, while percentage points measure absolute difference between percentages.

Q4: How do I interpret a 100% increase?
A: A 100% increase means the new value is double the old value (a 2x increase).

Q5: Can the old value be zero?
A: No, division by zero is undefined. The old value must be greater than zero.