-96.43% is the change from 812 to 29
Calculation steps:
[( 29 - 812 ) ÷ 812] x 100 = -96.43%
Formula
Percentage change = [(29 - 812) / 812] x 100
Subtract the new number by the original number
29 - 812 = -783
-783 ÷ 812 = -0.9642857142857143
-0.9642857142857143 x 100 = -96.43%