Percentage Change Calculator
Calculate the percentage change between two values, positive or negative.
Percentage Change Calculator
Calculate the percentage change between two values, positive or negative.
Real-World Examples
Stock price change
A stock went from $80 to $92. What is the percentage change?
15% increase
Population change
A town's population went from 10,000 to 9,500. What is the percentage change?
5% decrease
Common Mistakes to Avoid
Not identifying the direction
Fix: A positive result means increase, a negative result means decrease. Always clarify which direction the change went.
Using the final value as the base
Fix: The denominator must always be the initial (starting) value.