-0.99% is the change from 806 to 798
Calculation steps:
[( 798 - 806 ) ÷ 806] x 100 = -0.99%
Formula
Percentage change = [(798 - 806) / 806] x 100
Subtract the new number by the original number
798 - 806 = -8
-8 ÷ 806 = -0.009925558312655087
-0.009925558312655087 x 100 = -0.99%