-56.94% is the change from 648 to 279
Calculation steps:
[( 279 - 648 ) ÷ 648] x 100 = -56.94%
Formula
Percentage change = [(279 - 648) / 648] x 100
Subtract the new number by the original number
279 - 648 = -369
-369 ÷ 648 = -0.5694444444444444
-0.5694444444444444 x 100 = -56.94%