-42.05% is the change from 585 to 339
Calculation steps:
[( 339 - 585 ) ÷ 585] x 100 = -42.05%
Formula
Percentage change = [(339 - 585) / 585] x 100
Subtract the new number by the original number
339 - 585 = -246
-246 ÷ 585 = -0.4205128205128205
-0.4205128205128205 x 100 = -42.05%