-8.72% is the change from 963 to 879
Calculation steps:
[( 879 - 963 ) ÷ 963] x 100 = -8.72%
Formula
Percentage change = [(879 - 963) / 963] x 100
Subtract the new number by the original number
879 - 963 = -84
-84 ÷ 963 = -0.08722741433021806
-0.08722741433021806 x 100 = -8.72%