-98.77% is the change from 731 to 9
Calculation steps:
[( 9 - 731 ) ÷ 731] x 100 = -98.77%
Formula
Percentage change = [(9 - 731) / 731] x 100
Subtract the new number by the original number
9 - 731 = -722
-722 ÷ 731 = -0.987688098495212
-0.987688098495212 x 100 = -98.77%