# Online Calculators & Tools

## Percentage change calculator and converter

 Initial value: Final value: Percentage change result: % Calculation:

## Calculator Use with example

The Percentage Change Calculator (% change calculator) will quantify the change from one number to another and express the change as an increase or decrease. This is a % change calculator. From 10 apples to 20 apples is a 100% increase (change) in the number of apples.

## Percentage change calculation

The percentage change from old value (Vold) to new value (Vnew) is equal to the old and new values difference divided by the old value times 100%:

percentage change = (Vnew - Vold) / Vold × 100%

#### Example #1

Price percentage increase from old value of \$1000 to new value of \$1200 is caluclated by:

percentage change = (\$1200 - \$1000) / \$1000 × 100%

= 0.2 × 100% = 20%

#### Example #2

Price percentage decrease from old value of \$1000 to new value of \$800 is caluclated by:

percentage change = (\$800 - \$1000) / \$1000 × 100%

= -0.2 × 100% = -20%

Some Of Our Most Popular Calculators
Exponential Growth Calculator
Amps To Kva Calculator
American Wire Gauge Size Calculator
Power Factor Calculator