345.6% is the change from 125 to 557
Calculation steps:
[( 557 - 125 ) ÷ 125] x 100 = 345.6%
Formula
Percentage change = [(557 - 125) / 125] x 100
Subtract the new number by the original number
557 - 125 = 432
432 ÷ 125 = 3.456
3.456 x 100 = 345.6%
Example