Arithmetic & Number Theory
Percentage Change
Relative change from old to new.
Formula
Formula
Δ% = xn − x0x0 · 100
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| x₀ | old value | computed result | — | result |
| xₙ | new value | computed result | — | result |
| Δ% | percent change | computed result | — | result |
Try it yourself
Interactive calculator
Worked examples
Example 1
Givenold value = 80, new value = 100
Result25
Example 2
Givenold value = 200, new value = 150
Result-25