32.8% is the change from 125 to 166
Calculation steps:
[( 166 - 125 ) ÷ 125] x 100 = 32.8%
Formula
Percentage change = [(166 - 125) / 125] x 100
Subtract the new number by the original number
166 - 125 = 41
41 ÷ 125 = 0.328
0.328 x 100 = 32.8%
Example