-99.13% is the change from 805 to 7
Calculation steps:
[( 7 - 805 ) ÷ 805] x 100 = -99.13%
Formula
Percentage change = [(7 - 805) / 805] x 100
Subtract the new number by the original number
7 - 805 = -798
-798 ÷ 805 = -0.991304347826087
-0.991304347826087 x 100 = -99.13%