-98.68% is the change from 607 to 8
Calculation steps:
[( 8 - 607 ) ÷ 607] x 100 = -98.68%
Formula
Percentage change = [(8 - 607) / 607] x 100
Subtract the new number by the original number
8 - 607 = -599
-599 ÷ 607 = -0.9868204283360791
-0.9868204283360791 x 100 = -98.68%