-98.7% is the change from 614 to 8
Calculation steps:
[( 8 - 614 ) ÷ 614] x 100 = -98.7%
Formula
Percentage change = [(8 - 614) / 614] x 100
Subtract the new number by the original number
8 - 614 = -606
-606 ÷ 614 = -0.9869706840390879
-0.9869706840390879 x 100 = -98.7%