-98.85% is the change from 607 to 7
Calculation steps:
[( 7 - 607 ) ÷ 607] x 100 = -98.85%
Formula
Percentage change = [(7 - 607) / 607] x 100
Subtract the new number by the original number
7 - 607 = -600
-600 ÷ 607 = -0.9884678747940692
-0.9884678747940692 x 100 = -98.85%