32.82% is the change from 393 to 522
Calculation steps:
[( 522 - 393 ) ÷ 393] x 100 = 32.82%
Formula
Percentage change = [(522 - 393) / 393] x 100
Subtract the new number by the original number
522 - 393 = 129
129 ÷ 393 = 0.3282442748091603
0.3282442748091603 x 100 = 32.82%