66.37% is the change from 571 to 950
Calculation steps:
[( 950 - 571 ) ÷ 571] x 100 = 66.37%
Formula
Percentage change = [(950 - 571) / 571] x 100
Subtract the new number by the original number
950 - 571 = 379
379 ÷ 571 = 0.6637478108581436
0.6637478108581436 x 100 = 66.37%