242.4% is the change from 125 to 428
Calculation steps:
[( 428 - 125 ) ÷ 125] x 100 = 242.4%
Formula
Percentage change = [(428 - 125) / 125] x 100
Subtract the new number by the original number
428 - 125 = 303
303 ÷ 125 = 2.424
2.424 x 100 = 242.4%
Example