-99.13% is the change from 806 to 7
Calculation steps:
[( 7 - 806 ) ÷ 806] x 100 = -99.13%
Formula
Percentage change = [(7 - 806) / 806] x 100
Subtract the new number by the original number
7 - 806 = -799
-799 ÷ 806 = -0.9913151364764268
-0.9913151364764268 x 100 = -99.13%