-99.39% is the change from 655 to 4
Calculation steps:
[( 4 - 655 ) ÷ 655] x 100 = -99.39%
Formula
Percentage change = [(4 - 655) / 655] x 100
Subtract the new number by the original number
4 - 655 = -651
-651 ÷ 655 = -0.9938931297709923
-0.9938931297709923 x 100 = -99.39%