-1.68% is the change from 894 to 879
Calculation steps:
[( 879 - 894 ) ÷ 894] x 100 = -1.68%
Formula
Percentage change = [(879 - 894) / 894] x 100
Subtract the new number by the original number
879 - 894 = -15
-15 ÷ 894 = -0.016778523489932886
-0.016778523489932886 x 100 = -1.68%