124.6% is the change from 248 to 557
Calculation steps:
[( 557 - 248 ) ÷ 248] x 100 = 124.6%
Formula
Percentage change = [(557 - 248) / 248] x 100
Subtract the new number by the original number
557 - 248 = 309
309 ÷ 248 = 1.2459677419354838
1.2459677419354838 x 100 = 124.6%