-99.03% is the change from 822 to 8
Calculation steps:
[( 8 - 822 ) ÷ 822] x 100 = -99.03%
Formula
Percentage change = [(8 - 822) / 822] x 100
Subtract the new number by the original number
8 - 822 = -814
-814 ÷ 822 = -0.9902676399026764
-0.9902676399026764 x 100 = -99.03%