-99.75% is the change from 805 to 2
Calculation steps:
[( 2 - 805 ) ÷ 805] x 100 = -99.75%
Formula
Percentage change = [(2 - 805) / 805] x 100
Subtract the new number by the original number
2 - 805 = -803
-803 ÷ 805 = -0.9975155279503105
-0.9975155279503105 x 100 = -99.75%