-97.93% is the change from 822 to 17
Calculation steps:
[( 17 - 822 ) ÷ 822] x 100 = -97.93%
Formula
Percentage change = [(17 - 822) / 822] x 100
Subtract the new number by the original number
17 - 822 = -805
-805 ÷ 822 = -0.9793187347931873
-0.9793187347931873 x 100 = -97.93%