-58.97% is the change from 585 to 240
Calculation steps:
[( 240 - 585 ) ÷ 585] x 100 = -58.97%
Formula
Percentage change = [(240 - 585) / 585] x 100
Subtract the new number by the original number
240 - 585 = -345
-345 ÷ 585 = -0.5897435897435898
-0.5897435897435898 x 100 = -58.97%