-8.63% is the change from 962 to 879
Calculation steps:
[( 879 - 962 ) ÷ 962] x 100 = -8.63%
Formula
Percentage change = [(879 - 962) / 962] x 100
Subtract the new number by the original number
879 - 962 = -83
-83 ÷ 962 = -0.08627858627858628
-0.08627858627858628 x 100 = -8.63%