231.55% is the change from 168 to 557
Calculation steps:
[( 557 - 168 ) ÷ 168] x 100 = 231.55%
Formula
Percentage change = [(557 - 168) / 168] x 100
Subtract the new number by the original number
557 - 168 = 389
389 ÷ 168 = 2.3154761904761907
2.3154761904761907 x 100 = 231.55%