-6.79% is the change from 943 to 879
Calculation steps:
[( 879 - 943 ) ÷ 943] x 100 = -6.79%
Formula
Percentage change = [(879 - 943) / 943] x 100
Subtract the new number by the original number
879 - 943 = -64
-64 ÷ 943 = -0.06786850477200425
-0.06786850477200425 x 100 = -6.79%