-96.64% is the change from 863 to 29
Calculation steps:
[( 29 - 863 ) ÷ 863] x 100 = -96.64%
Formula
Percentage change = [(29 - 863) / 863] x 100
Subtract the new number by the original number
29 - 863 = -834
-834 ÷ 863 = -0.966396292004635
-0.966396292004635 x 100 = -96.64%