-72.31% is the change from 863 to 239
Calculation steps:
[( 239 - 863 ) ÷ 863] x 100 = -72.31%
Formula
Percentage change = [(239 - 863) / 863] x 100
Subtract the new number by the original number
239 - 863 = -624
-624 ÷ 863 = -0.7230590961761297
-0.7230590961761297 x 100 = -72.31%