-52.31% is the change from 585 to 279
Calculation steps:
[( 279 - 585 ) ÷ 585] x 100 = -52.31%
Formula
Percentage change = [(279 - 585) / 585] x 100
Subtract the new number by the original number
279 - 585 = -306
-306 ÷ 585 = -0.5230769230769231
-0.5230769230769231 x 100 = -52.31%