21.14% is the change from 525 to 636
Calculation steps:
[( 636 - 525 ) ÷ 525] x 100 = 21.14%
Formula
Percentage change = [(636 - 525) / 525] x 100
Subtract the new number by the original number
636 - 525 = 111
111 ÷ 525 = 0.21142857142857144
0.21142857142857144 x 100 = 21.14%