About Percentage Increase & Growth Calculator
Calculate percentage increase, percentage decrease, and growth multipliers between any two numbers. Includes formula explanations, visual difference badges, and quick everyday percentage lookups (X% of Y).
Key Capabilities & Features
- Calculates exact percentage change (+% or -%)
- Growth factor multiplier (e.g. 1.5×)
- Visual Increase (green) and Decrease (red) badges
- Step-by-step mathematical formula walkthrough
- Quick "What is X% of Y" secondary calculator
How to Use Percentage Increase & Growth Calculator
Enter Values
Input your initial (starting) value and final value.
Review Growth
Inspect percentage change and growth multiplier.
Check Formulas
Review the step-by-step mathematical calculation.
Privacy & In-Browser Execution Guarantee
Calculations run in-memory on your device.
Frequently Asked Questions
What is the formula for calculating percentage increase or decrease?
Percentage change is calculated as: [(New Value - Original Value) / |Original Value|] * 100. A positive result indicates a percentage increase, while a negative result indicates a percentage decrease.
How do I calculate what number is X percent greater than another?
Multiply the original number by (1 + X/100). For instance, to increase 50 by 20%, multiply 50 * 1.20 = 60.
Can this tool calculate retail markups and year-over-year revenue growth?
Yes. The tool provides dedicated modes for retail profit margin/markup calculations, percentage difference between two distinct values, and compound percentage growth.