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 rates, price changes, performance improvements, and other comparative metrics.

2. How Does the Calculator Work?

The calculator uses the percentage increase formula:

Where:

• New Value — The current or final number
• Original Value — The starting or initial number

Explanation: The formula calculates the difference between two numbers, divides by the original value to get relative change, then converts to percentage by multiplying by 100.

3. Practical Applications

Details: Percentage increase is widely used in finance (investment returns, price changes), business (sales growth), education (test score improvements), and scientific research (experimental results).

4. Using the Calculator

Tips: Enter both original and new values. The original value cannot be zero (division by zero is undefined). Negative values are acceptable and will calculate correctly.

5. Frequently Asked Questions (FAQ)

Q1: What if my original value is zero?
A: Percentage change is undefined when starting from zero. Consider using absolute difference instead.

Q2: How is percentage decrease calculated?
A: The same formula works - you'll get a negative result indicating decrease rather than increase.

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

Q4: Can I calculate percentage increase between more than two numbers?
A: This calculator handles two numbers. For multiple points, calculate each period's increase separately.

Q5: How accurate is this calculation?
A: The calculation is mathematically precise. Rounding is only applied for display purposes.