33.93% is the change from 168 to 225
Calculation steps:
[( 225 - 168 ) ÷ 168] x 100 = 33.93%
Formula
Percentage change = [(225 - 168) / 168] x 100
Subtract the new number by the original number
225 - 168 = 57
57 ÷ 168 = 0.3392857142857143
0.3392857142857143 x 100 = 33.93%