-97.31% is the change from 817 to 22
Calculation steps:
[( 22 - 817 ) ÷ 817] x 100 = -97.31%
Formula
Percentage change = [(22 - 817) / 817] x 100
Subtract the new number by the original number
22 - 817 = -795
-795 ÷ 817 = -0.9730722154222766
-0.9730722154222766 x 100 = -97.31%