-96.64% is the change from 864 to 29
Calculation steps:
[( 29 - 864 ) ÷ 864] x 100 = -96.64%
Formula
Percentage change = [(29 - 864) / 864] x 100
Subtract the new number by the original number
29 - 864 = -835
-835 ÷ 864 = -0.9664351851851852
-0.9664351851851852 x 100 = -96.64%