4.02% is the change from 845 to 879
Calculation steps:
[( 879 - 845 ) ÷ 845] x 100 = 4.02%
Formula
Percentage change = [(879 - 845) / 845] x 100
Subtract the new number by the original number
879 - 845 = 34
34 ÷ 845 = 0.040236686390532544
0.040236686390532544 x 100 = 4.02%