42.91% is the change from 571 to 816
Calculation steps:
[( 816 - 571 ) ÷ 571] x 100 = 42.91%
Formula
Percentage change = [(816 - 571) / 571] x 100
Subtract the new number by the original number
816 - 571 = 245
245 ÷ 571 = 0.4290718038528897
0.4290718038528897 x 100 = 42.91%