-99.23% is the change from 648 to 5
Calculation steps:
[( 5 - 648 ) ÷ 648] x 100 = -99.23%
Formula
Percentage change = [(5 - 648) / 648] x 100
Subtract the new number by the original number
5 - 648 = -643
-643 ÷ 648 = -0.9922839506172839
-0.9922839506172839 x 100 = -99.23%