-10.4% is the change from 981 to 879
Calculation steps:
[( 879 - 981 ) ÷ 981] x 100 = -10.4%
Formula
Percentage change = [(879 - 981) / 981] x 100
Subtract the new number by the original number
879 - 981 = -102
-102 ÷ 981 = -0.10397553516819572
-0.10397553516819572 x 100 = -10.4%