-50.77% is the change from 585 to 288
Calculation steps:
[( 288 - 585 ) ÷ 585] x 100 = -50.77%
Formula
Percentage change = [(288 - 585) / 585] x 100
Subtract the new number by the original number
288 - 585 = -297
-297 ÷ 585 = -0.5076923076923077
-0.5076923076923077 x 100 = -50.77%