-30.7% is the change from 987 to 684
Calculation steps:
[( 684 - 987 ) ÷ 987] x 100 = -30.7%
Formula
Percentage change = [(684 - 987) / 987] x 100
Subtract the new number by the original number
684 - 987 = -303
-303 ÷ 987 = -0.3069908814589666
-0.3069908814589666 x 100 = -30.7%