-99.17% is the change from 846 to 7
Calculation steps:
[( 7 - 846 ) ÷ 846] x 100 = -99.17%
Formula
Percentage change = [(7 - 846) / 846] x 100
Subtract the new number by the original number
7 - 846 = -839
-839 ÷ 846 = -0.991725768321513
-0.991725768321513 x 100 = -99.17%