41.93% is the change from 570 to 809
Calculation steps:
[( 809 - 570 ) ÷ 570] x 100 = 41.93%
Formula
Percentage change = [(809 - 570) / 570] x 100
Subtract the new number by the original number
809 - 570 = 239
239 ÷ 570 = 0.4192982456140351
0.4192982456140351 x 100 = 41.93%