-89.65% is the change from 773 to 80
Calculation steps:
[( 80 - 773 ) ÷ 773] x 100 = -89.65%
Formula
Percentage change = [(80 - 773) / 773] x 100
Subtract the new number by the original number
80 - 773 = -693
-693 ÷ 773 = -0.8965071151358344
-0.8965071151358344 x 100 = -89.65%