-58.76% is the change from 679 to 280
Calculation steps:
[( 280 - 679 ) ÷ 679] x 100 = -58.76%
Formula
Percentage change = [(280 - 679) / 679] x 100
Subtract the new number by the original number
280 - 679 = -399
-399 ÷ 679 = -0.5876288659793815
-0.5876288659793815 x 100 = -58.76%