-98.66% is the change from 822 to 11
Calculation steps:
[( 11 - 822 ) ÷ 822] x 100 = -98.66%
Formula
Percentage change = [(11 - 822) / 822] x 100
Subtract the new number by the original number
11 - 822 = -811
-811 ÷ 822 = -0.98661800486618
-0.98661800486618 x 100 = -98.66%