2.33% is the change from 859 to 879
Calculation steps:
[( 879 - 859 ) ÷ 859] x 100 = 2.33%
Formula
Percentage change = [(879 - 859) / 859] x 100
Subtract the new number by the original number
879 - 859 = 20
20 ÷ 859 = 0.023282887077997673
0.023282887077997673 x 100 = 2.33%