-10.19% is the change from 579 to 520
Calculation steps:
[( 520 - 579 ) ÷ 579] x 100 = -10.19%
Formula
Percentage change = [(520 - 579) / 579] x 100
Subtract the new number by the original number
520 - 579 = -59
-59 ÷ 579 = -0.10189982728842832
-0.10189982728842832 x 100 = -10.19%