-77.78% is the change from 648 to 144
Calculation steps:
[( 144 - 648 ) ÷ 648] x 100 = -77.78%
Formula
Percentage change = [(144 - 648) / 648] x 100
Subtract the new number by the original number
144 - 648 = -504
-504 ÷ 648 = -0.7777777777777778
-0.7777777777777778 x 100 = -77.78%