-47.01% is the change from 585 to 310
Calculation steps:
[( 310 - 585 ) ÷ 585] x 100 = -47.01%
Formula
Percentage change = [(310 - 585) / 585] x 100
Subtract the new number by the original number
310 - 585 = -275
-275 ÷ 585 = -0.4700854700854701
-0.4700854700854701 x 100 = -47.01%