-62.91% is the change from 585 to 217
Calculation steps:
[( 217 - 585 ) ÷ 585] x 100 = -62.91%
Formula
Percentage change = [(217 - 585) / 585] x 100
Subtract the new number by the original number
217 - 585 = -368
-368 ÷ 585 = -0.629059829059829
-0.629059829059829 x 100 = -62.91%