34.85% is the change from 571 to 770
Calculation steps:
[( 770 - 571 ) ÷ 571] x 100 = 34.85%
Formula
Percentage change = [(770 - 571) / 571] x 100
Subtract the new number by the original number
770 - 571 = 199
199 ÷ 571 = 0.34851138353765326
0.34851138353765326 x 100 = 34.85%