28.51% is the change from 684 to 879
Calculation steps:
[( 879 - 684 ) ÷ 684] x 100 = 28.51%
Formula
Percentage change = [(879 - 684) / 684] x 100
Subtract the new number by the original number
879 - 684 = 195
195 ÷ 684 = 0.2850877192982456
0.2850877192982456 x 100 = 28.51%