24% is the change from 125 to 155
Calculation steps:
[( 155 - 125 ) ÷ 125] x 100 = 24%
Formula
Percentage change = [(155 - 125) / 125] x 100
Subtract the new number by the original number
155 - 125 = 30
30 ÷ 125 = 0.24
0.24 x 100 = 24%
Example