49.91% is the change from 571 to 856
Calculation steps:
[( 856 - 571 ) ÷ 571] x 100 = 49.91%
Formula
Percentage change = [(856 - 571) / 571] x 100
Subtract the new number by the original number
856 - 571 = 285
285 ÷ 571 = 0.4991243432574431
0.4991243432574431 x 100 = 49.91%