28.8% is the change from 125 to 161
Calculation steps:
[( 161 - 125 ) ÷ 125] x 100 = 28.8%
Formula
Percentage change = [(161 - 125) / 125] x 100
Subtract the new number by the original number
161 - 125 = 36
36 ÷ 125 = 0.288
0.288 x 100 = 28.8%
Example