-55.56% is the change from 585 to 260
Calculation steps:
[( 260 - 585 ) ÷ 585] x 100 = -55.56%
Formula
Percentage change = [(260 - 585) / 585] x 100
Subtract the new number by the original number
260 - 585 = -325
-325 ÷ 585 = -0.5555555555555556
-0.5555555555555556 x 100 = -55.56%