Δ Percentage Change

Measure increase, decrease, difference, error, and relative change between values.

Calculate percentage increase between two numbers. Example: 100 to 130 is a 30% increase.

Calculate percentage decrease between two numbers. Example: 200 to 160 is a 20% decrease.

Calculate percentage change between any two values. Positive means increase, negative means decrease.

Calculate the percentage difference between two numbers using their average as the base.

Calculate percentage error between an actual and expected (theoretical) value.

Calculate relative change as a decimal ratio and percentage.

Calculate the absolute (raw) change between two values, plus optional percentage context.