-97.91% is the change from 812 to 17
Calculation steps:
[( 17 - 812 ) ÷ 812] x 100 = -97.91%
Formula
Percentage change = [(17 - 812) / 812] x 100
Subtract the new number by the original number
17 - 812 = -795
-795 ÷ 812 = -0.979064039408867
-0.979064039408867 x 100 = -97.91%