-32.25% is the change from 648 to 439
Calculation steps:
[( 439 - 648 ) ÷ 648] x 100 = -32.25%
Formula
Percentage change = [(439 - 648) / 648] x 100
Subtract the new number by the original number
439 - 648 = -209
-209 ÷ 648 = -0.32253086419753085
-0.32253086419753085 x 100 = -32.25%