-89.74% is the change from 585 to 60
Calculation steps:
[( 60 - 585 ) ÷ 585] x 100 = -89.74%
Formula
Percentage change = [(60 - 585) / 585] x 100
Subtract the new number by the original number
60 - 585 = -525
-525 ÷ 585 = -0.8974358974358975
-0.8974358974358975 x 100 = -89.74%