10.68% is the change from 515 to 570
Calculation steps:
[( 570 - 515 ) ÷ 515] x 100 = 10.68%
Formula
Percentage change = [(570 - 515) / 515] x 100
Subtract the new number by the original number
570 - 515 = 55
55 ÷ 515 = 0.10679611650485436
0.10679611650485436 x 100 = 10.68%