-30.78% is the change from 981 to 679
Calculation steps:
[( 679 - 981 ) ÷ 981] x 100 = -30.78%
Formula
Percentage change = [(679 - 981) / 981] x 100
Subtract the new number by the original number
679 - 981 = -302
-302 ÷ 981 = -0.30784913353720694
-0.30784913353720694 x 100 = -30.78%