-42.86% is the change from 504 to 288
Calculation steps:
[( 288 - 504 ) ÷ 504] x 100 = -42.86%
Formula
Percentage change = [(288 - 504) / 504] x 100
Subtract the new number by the original number
288 - 504 = -216
-216 ÷ 504 = -0.42857142857142855
-0.42857142857142855 x 100 = -42.86%