-56.88% is the change from 647 to 279
Calculation steps:
[( 279 - 647 ) ÷ 647] x 100 = -56.88%
Formula
Percentage change = [(279 - 647) / 647] x 100
Subtract the new number by the original number
279 - 647 = -368
-368 ÷ 647 = -0.5687789799072643
-0.5687789799072643 x 100 = -56.88%