3.07% is the change from 911 to 939
Calculation steps:
[( 939 - 911 ) ÷ 911] x 100 = 3.07%
Formula
Percentage change = [(939 - 911) / 911] x 100
Subtract the new number by the original number
939 - 911 = 28
28 ÷ 911 = 0.030735455543358946
0.030735455543358946 x 100 = 3.07%