-50.09% is the change from 577 to 288
Calculation steps:
[( 288 - 577 ) ÷ 577] x 100 = -50.09%
Formula
Percentage change = [(288 - 577) / 577] x 100
Subtract the new number by the original number
288 - 577 = -289
-289 ÷ 577 = -0.5008665511265165
-0.5008665511265165 x 100 = -50.09%