-96.76% is the change from 863 to 28
Calculation steps:
[( 28 - 863 ) ÷ 863] x 100 = -96.76%
Formula
Percentage change = [(28 - 863) / 863] x 100
Subtract the new number by the original number
28 - 863 = -835
-835 ÷ 863 = -0.9675550405561993
-0.9675550405561993 x 100 = -96.76%