-99.75% is the change from 799 to 2
Calculation steps:
[( 2 - 799 ) ÷ 799] x 100 = -99.75%
Formula
Percentage change = [(2 - 799) / 799] x 100
Subtract the new number by the original number
2 - 799 = -797
-797 ÷ 799 = -0.9974968710888611
-0.9974968710888611 x 100 = -99.75%