-99.38% is the change from 805 to 5
Calculation steps:
[( 5 - 805 ) ÷ 805] x 100 = -99.38%
Formula
Percentage change = [(5 - 805) / 805] x 100
Subtract the new number by the original number
5 - 805 = -800
-800 ÷ 805 = -0.9937888198757764
-0.9937888198757764 x 100 = -99.38%