-96.4% is the change from 806 to 29
Calculation steps:
[( 29 - 806 ) ÷ 806] x 100 = -96.4%
Formula
Percentage change = [(29 - 806) / 806] x 100
Subtract the new number by the original number
29 - 806 = -777
-777 ÷ 806 = -0.9640198511166254
-0.9640198511166254 x 100 = -96.4%