-98.84% is the change from 605 to 7
Calculation steps:
[( 7 - 605 ) ÷ 605] x 100 = -98.84%
Formula
Percentage change = [(7 - 605) / 605] x 100
Subtract the new number by the original number
7 - 605 = -598
-598 ÷ 605 = -0.9884297520661157
-0.9884297520661157 x 100 = -98.84%