-89.06% is the change from 731 to 80
Calculation steps:
[( 80 - 731 ) ÷ 731] x 100 = -89.06%
Formula
Percentage change = [(80 - 731) / 731] x 100
Subtract the new number by the original number
80 - 731 = -651
-651 ÷ 731 = -0.8905608755129959
-0.8905608755129959 x 100 = -89.06%