-51.45% is the change from 585 to 284
Calculation steps:
[( 284 - 585 ) ÷ 585] x 100 = -51.45%
Formula
Percentage change = [(284 - 585) / 585] x 100
Subtract the new number by the original number
284 - 585 = -301
-301 ÷ 585 = -0.5145299145299145
-0.5145299145299145 x 100 = -51.45%