-4.79% is the change from 585 to 557
Calculation steps:
[( 557 - 585 ) ÷ 585] x 100 = -4.79%
Formula
Percentage change = [(557 - 585) / 585] x 100
Subtract the new number by the original number
557 - 585 = -28
-28 ÷ 585 = -0.04786324786324787
-0.04786324786324787 x 100 = -4.79%