-66.78% is the change from 867 to 288
Calculation steps:
[( 288 - 867 ) ÷ 867] x 100 = -66.78%
Formula
Percentage change = [(288 - 867) / 867] x 100
Subtract the new number by the original number
288 - 867 = -579
-579 ÷ 867 = -0.6678200692041523
-0.6678200692041523 x 100 = -66.78%