42.55% is the change from 557 to 794
Calculation steps:
[( 794 - 557 ) ÷ 557] x 100 = 42.55%
Formula
Percentage change = [(794 - 557) / 557] x 100
Subtract the new number by the original number
794 - 557 = 237
237 ÷ 557 = 0.4254937163375224
0.4254937163375224 x 100 = 42.55%