-52.71% is the change from 609 to 288
Calculation steps:
[( 288 - 609 ) ÷ 609] x 100 = -52.71%
Formula
Percentage change = [(288 - 609) / 609] x 100
Subtract the new number by the original number
288 - 609 = -321
-321 ÷ 609 = -0.5270935960591133
-0.5270935960591133 x 100 = -52.71%