-15.9% is the change from 585 to 492
Calculation steps:
[( 492 - 585 ) ÷ 585] x 100 = -15.9%
Formula
Percentage change = [(492 - 585) / 585] x 100
Subtract the new number by the original number
492 - 585 = -93
-93 ÷ 585 = -0.15897435897435896
-0.15897435897435896 x 100 = -15.9%