-98.86% is the change from 699 to 8
Calculation steps:
[( 8 - 699 ) ÷ 699] x 100 = -98.86%
Formula
Percentage change = [(8 - 699) / 699] x 100
Subtract the new number by the original number
8 - 699 = -691
-691 ÷ 699 = -0.9885550786838341
-0.9885550786838341 x 100 = -98.86%