139.2% is the change from 125 to 299
Calculation steps:
[( 299 - 125 ) ÷ 125] x 100 = 139.2%
Formula
Percentage change = [(299 - 125) / 125] x 100
Subtract the new number by the original number
299 - 125 = 174
174 ÷ 125 = 1.392
1.392 x 100 = 139.2%
Example