51.05% is the change from 570 to 861
Calculation steps:
[( 861 - 570 ) ÷ 570] x 100 = 51.05%
Formula
Percentage change = [(861 - 570) / 570] x 100
Subtract the new number by the original number
861 - 570 = 291
291 ÷ 570 = 0.5105263157894737
0.5105263157894737 x 100 = 51.05%