-84.1% is the change from 585 to 93
Calculation steps:
[( 93 - 585 ) ÷ 585] x 100 = -84.1%
Formula
Percentage change = [(93 - 585) / 585] x 100
Subtract the new number by the original number
93 - 585 = -492
-492 ÷ 585 = -0.841025641025641
-0.841025641025641 x 100 = -84.1%