43.43% is the change from 571 to 819
Calculation steps:
[( 819 - 571 ) ÷ 571] x 100 = 43.43%
Formula
Percentage change = [(819 - 571) / 571] x 100
Subtract the new number by the original number
819 - 571 = 248
248 ÷ 571 = 0.4343257443082312
0.4343257443082312 x 100 = 43.43%