129.6% is the change from 125 to 287
Calculation steps:
[( 287 - 125 ) ÷ 125] x 100 = 129.6%
Formula
Percentage change = [(287 - 125) / 125] x 100
Subtract the new number by the original number
287 - 125 = 162
162 ÷ 125 = 1.296
1.296 x 100 = 129.6%
Example