254.78% is the change from 157 to 557
Calculation steps:
[( 557 - 157 ) ÷ 157] x 100 = 254.78%
Formula
Percentage change = [(557 - 157) / 157] x 100
Subtract the new number by the original number
557 - 157 = 400
400 ÷ 157 = 2.5477707006369426
2.5477707006369426 x 100 = 254.78%