-31.21% is the change from 987 to 679
Calculation steps:
[( 679 - 987 ) ÷ 987] x 100 = -31.21%
Formula
Percentage change = [(679 - 987) / 987] x 100
Subtract the new number by the original number
679 - 987 = -308
-308 ÷ 987 = -0.3120567375886525
-0.3120567375886525 x 100 = -31.21%