-11.6% is the change from 586 to 518
Calculation steps:
[( 518 - 586 ) ÷ 586] x 100 = -11.6%
Formula
Percentage change = [(518 - 586) / 586] x 100
Subtract the new number by the original number
518 - 586 = -68
-68 ÷ 586 = -0.11604095563139932
-0.11604095563139932 x 100 = -11.6%