-99.56% is the change from 677 to 3
Calculation steps:
[( 3 - 677 ) ÷ 677] x 100 = -99.56%
Formula
Percentage change = [(3 - 677) / 677] x 100
Subtract the new number by the original number
3 - 677 = -674
-674 ÷ 677 = -0.9955686853766618
-0.9955686853766618 x 100 = -99.56%