-30.94% is the change from 585 to 404
Calculation steps:
[( 404 - 585 ) ÷ 585] x 100 = -30.94%
Formula
Percentage change = [(404 - 585) / 585] x 100
Subtract the new number by the original number
404 - 585 = -181
-181 ÷ 585 = -0.3094017094017094
-0.3094017094017094 x 100 = -30.94%