-98.86% is the change from 702 to 8
Calculation steps:
[( 8 - 702 ) ÷ 702] x 100 = -98.86%
Formula
Percentage change = [(8 - 702) / 702] x 100
Subtract the new number by the original number
8 - 702 = -694
-694 ÷ 702 = -0.9886039886039886
-0.9886039886039886 x 100 = -98.86%