Find the percent change of 40 to 72

If you would like to know what is the percent change of 40 to 72, you can calculate this using the following steps:

x% of 40 = 72

x% * 40 = 72

x/100 * 40 = 72 / * 100/40

x = 72 * 100 / 40

x = 180%

180% - 100% = 80%

The correct result would be an 80% increase.

40 to 72 would be 80%