-90.36% is the change from 799 to 77
Calculation steps:
[( 77 - 799 ) ÷ 799] x 100 = -90.36%
Formula
Percentage change = [(77 - 799) / 799] x 100
Subtract the new number by the original number
77 - 799 = -722
-722 ÷ 799 = -0.9036295369211514
-0.9036295369211514 x 100 = -90.36%