-66.74% is the change from 863 to 287
Calculation steps:
[( 287 - 863 ) ÷ 863] x 100 = -66.74%
Formula
Percentage change = [(287 - 863) / 863] x 100
Subtract the new number by the original number
287 - 863 = -576
-576 ÷ 863 = -0.6674391657010429
-0.6674391657010429 x 100 = -66.74%