-96.56% is the change from 843 to 29
Calculation steps:
[( 29 - 843 ) ÷ 843] x 100 = -96.56%
Formula
Percentage change = [(29 - 843) / 843] x 100
Subtract the new number by the original number
29 - 843 = -814
-814 ÷ 843 = -0.9655990510083037
-0.9655990510083037 x 100 = -96.56%