48.86% is the change from 571 to 850
Calculation steps:
[( 850 - 571 ) ÷ 571] x 100 = 48.86%
Formula
Percentage change = [(850 - 571) / 571] x 100
Subtract the new number by the original number
850 - 571 = 279
279 ÷ 571 = 0.4886164623467601
0.4886164623467601 x 100 = 48.86%