12.69% is the change from 520 to 586
Calculation steps:
[( 586 - 520 ) ÷ 520] x 100 = 12.69%
Formula
Percentage change = [(586 - 520) / 520] x 100
Subtract the new number by the original number
586 - 520 = 66
66 ÷ 520 = 0.12692307692307692
0.12692307692307692 x 100 = 12.69%