9.06% is the change from 861 to 939
Calculation steps:
[( 939 - 861 ) ÷ 861] x 100 = 9.06%
Formula
Percentage change = [(939 - 861) / 861] x 100
Subtract the new number by the original number
939 - 861 = 78
78 ÷ 861 = 0.09059233449477352
0.09059233449477352 x 100 = 9.06%