38.58% is the change from 521 to 722
Calculation steps:
[( 722 - 521 ) ÷ 521] x 100 = 38.58%
Formula
Percentage change = [(722 - 521) / 521] x 100
Subtract the new number by the original number
722 - 521 = 201
201 ÷ 521 = 0.3857965451055662
0.3857965451055662 x 100 = 38.58%