-60.51% is the change from 585 to 231
Calculation steps:
[( 231 - 585 ) ÷ 585] x 100 = -60.51%
Formula
Percentage change = [(231 - 585) / 585] x 100
Subtract the new number by the original number
231 - 585 = -354
-354 ÷ 585 = -0.6051282051282051
-0.6051282051282051 x 100 = -60.51%