51.71% is the change from 557 to 845
Calculation steps:
[( 845 - 557 ) ÷ 557] x 100 = 51.71%
Formula
Percentage change = [(845 - 557) / 557] x 100
Subtract the new number by the original number
845 - 557 = 288
288 ÷ 557 = 0.5170556552962298
0.5170556552962298 x 100 = 51.71%