-7.18% is the change from 947 to 879
Calculation steps:
[( 879 - 947 ) ÷ 947] x 100 = -7.18%
Formula
Percentage change = [(879 - 947) / 947] x 100
Subtract the new number by the original number
879 - 947 = -68
-68 ÷ 947 = -0.07180570221752904
-0.07180570221752904 x 100 = -7.18%