-56.56% is the change from 663 to 288
Calculation steps:
[( 288 - 663 ) ÷ 663] x 100 = -56.56%
Formula
Percentage change = [(288 - 663) / 663] x 100
Subtract the new number by the original number
288 - 663 = -375
-375 ÷ 663 = -0.5656108597285068
-0.5656108597285068 x 100 = -56.56%