-80.17% is the change from 822 to 163
Calculation steps:
[( 163 - 822 ) ÷ 822] x 100 = -80.17%
Formula
Percentage change = [(163 - 822) / 822] x 100
Subtract the new number by the original number
163 - 822 = -659
-659 ÷ 822 = -0.8017031630170316
-0.8017031630170316 x 100 = -80.17%