-98.12% is the change from 585 to 11
Calculation steps:
[( 11 - 585 ) ÷ 585] x 100 = -98.12%
Formula
Percentage change = [(11 - 585) / 585] x 100
Subtract the new number by the original number
11 - 585 = -574
-574 ÷ 585 = -0.9811965811965812
-0.9811965811965812 x 100 = -98.12%