Information

Percentage is a way to express extent of a change for a variable. It represents the relative change between the old value and the new one.

For example:

My salary is $10,000 dollars per month, my boss increase my salary to $11,000 dollars, the percentage calculation is:

The salary increased by 10%

Internet services fee changed from $10 to $9 per month, the percentage calculation is:

Internet services fee decreased by 10%

This percentage calculator allows you to calculate percentage easily in mobile, without the use of MS Excel. If you like this small tool, please share! Thanks!