45.24% is the change from 557 to 809
Calculation steps:
[( 809 - 557 ) ÷ 557] x 100 = 45.24%
Formula
Percentage change = [(809 - 557) / 557] x 100
Subtract the new number by the original number
809 - 557 = 252
252 ÷ 557 = 0.4524236983842011
0.4524236983842011 x 100 = 45.24%