-99.67% is the change from 605 to 2
Calculation steps:
[( 2 - 605 ) ÷ 605] x 100 = -99.67%
Formula
Percentage change = [(2 - 605) / 605] x 100
Subtract the new number by the original number
2 - 605 = -603
-603 ÷ 605 = -0.996694214876033
-0.996694214876033 x 100 = -99.67%