-12.2% is the change from 984 to 864
Calculation steps:
[( 864 - 984 ) ÷ 984] x 100 = -12.2%
Formula
Percentage change = [(864 - 984) / 984] x 100
Subtract the new number by the original number
864 - 984 = -120
-120 ÷ 984 = -0.12195121951219512
-0.12195121951219512 x 100 = -12.2%