-89.17% is the change from 711 to 77
Calculation steps:
[( 77 - 711 ) ÷ 711] x 100 = -89.17%
Formula
Percentage change = [(77 - 711) / 711] x 100
Subtract the new number by the original number
77 - 711 = -634
-634 ÷ 711 = -0.8917018284106891
-0.8917018284106891 x 100 = -89.17%