-96.87% is the change from 863 to 27
Calculation steps:
[( 27 - 863 ) ÷ 863] x 100 = -96.87%
Formula
Percentage change = [(27 - 863) / 863] x 100
Subtract the new number by the original number
27 - 863 = -836
-836 ÷ 863 = -0.9687137891077636
-0.9687137891077636 x 100 = -96.87%