-30.07% is the change from 971 to 679
Calculation steps:
[( 679 - 971 ) ÷ 971] x 100 = -30.07%
Formula
Percentage change = [(679 - 971) / 971] x 100
Subtract the new number by the original number
679 - 971 = -292
-292 ÷ 971 = -0.30072090628218334
-0.30072090628218334 x 100 = -30.07%