8.6% is the change from 570 to 619
Calculation steps:
[( 619 - 570 ) ÷ 570] x 100 = 8.6%
Formula
Percentage change = [(619 - 570) / 570] x 100
Subtract the new number by the original number
619 - 570 = 49
49 ÷ 570 = 0.08596491228070176
0.08596491228070176 x 100 = 8.6%