66.2% is the change from 571 to 949
Calculation steps:
[( 949 - 571 ) ÷ 571] x 100 = 66.2%
Formula
Percentage change = [(949 - 571) / 571] x 100
Subtract the new number by the original number
949 - 571 = 378
378 ÷ 571 = 0.6619964973730298
0.6619964973730298 x 100 = 66.2%