-99.54% is the change from 648 to 3
Calculation steps:
[( 3 - 648 ) ÷ 648] x 100 = -99.54%
Formula
Percentage change = [(3 - 648) / 648] x 100
Subtract the new number by the original number
3 - 648 = -645
-645 ÷ 648 = -0.9953703703703703
-0.9953703703703703 x 100 = -99.54%