-96.63% is the change from 861 to 29
Calculation steps:
[( 29 - 861 ) ÷ 861] x 100 = -96.63%
Formula
Percentage change = [(29 - 861) / 861] x 100
Subtract the new number by the original number
29 - 861 = -832
-832 ÷ 861 = -0.9663182346109176
-0.9663182346109176 x 100 = -96.63%