-89.64% is the change from 772 to 80
Calculation steps:
[( 80 - 772 ) ÷ 772] x 100 = -89.64%
Formula
Percentage change = [(80 - 772) / 772] x 100
Subtract the new number by the original number
80 - 772 = -692
-692 ÷ 772 = -0.8963730569948186
-0.8963730569948186 x 100 = -89.64%