-98.84% is the change from 687 to 8
Calculation steps:
[( 8 - 687 ) ÷ 687] x 100 = -98.84%
Formula
Percentage change = [(8 - 687) / 687] x 100
Subtract the new number by the original number
8 - 687 = -679
-679 ÷ 687 = -0.9883551673944687
-0.9883551673944687 x 100 = -98.84%