OONNOON

Percentage change

Compare an old and a new value.

Significant digits

Unit system

Formulas

\Delta=new-old

\%\Delta=\frac{\Delta}{|old|}\times100

See the absolute difference, relative percentage change and direction of change. A change from zero is reported as mathematically undefined.

The difference is divided by the absolute old value and multiplied by 100.

From 80 to 100{"newValue":100,"oldValue":80}

Find any percentage of a number.