-89.64% is the change from 743 to 77
Calculation steps:
[( 77 - 743 ) ÷ 743] x 100 = -89.64%
Formula
Percentage change = [(77 - 743) / 743] x 100
Subtract the new number by the original number
77 - 743 = -666
-666 ÷ 743 = -0.8963660834454913
-0.8963660834454913 x 100 = -89.64%