22.29% is the change from 525 to 642
Calculation steps:
[( 642 - 525 ) ÷ 525] x 100 = 22.29%
Formula
Percentage change = [(642 - 525) / 525] x 100
Subtract the new number by the original number
642 - 525 = 117
117 ÷ 525 = 0.22285714285714286
0.22285714285714286 x 100 = 22.29%