-99.03% is the change from 826 to 8
Calculation steps:
[( 8 - 826 ) ÷ 826] x 100 = -99.03%
Formula
Percentage change = [(8 - 826) / 826] x 100
Subtract the new number by the original number
8 - 826 = -818
-818 ÷ 826 = -0.9903147699757869
-0.9903147699757869 x 100 = -99.03%