-98.9% is the change from 726 to 8
Calculation steps:
[( 8 - 726 ) ÷ 726] x 100 = -98.9%
Formula
Percentage change = [(8 - 726) / 726] x 100
Subtract the new number by the original number
8 - 726 = -718
-718 ÷ 726 = -0.9889807162534435
-0.9889807162534435 x 100 = -98.9%