-4.78% is the change from 586 to 558
Calculation steps:
[( 558 - 586 ) ÷ 586] x 100 = -4.78%
Formula
Percentage change = [(558 - 586) / 586] x 100
Subtract the new number by the original number
558 - 586 = -28
-28 ÷ 586 = -0.04778156996587031
-0.04778156996587031 x 100 = -4.78%