50.4% is the change from 125 to 188
Calculation steps:
[( 188 - 125 ) ÷ 125] x 100 = 50.4%
Formula
Percentage change = [(188 - 125) / 125] x 100
Subtract the new number by the original number
188 - 125 = 63
63 ÷ 125 = 0.504
0.504 x 100 = 50.4%
Example