4.28% is the change from 911 to 950
Calculation steps:
[( 950 - 911 ) ÷ 911] x 100 = 4.28%
Formula
Percentage change = [(950 - 911) / 911] x 100
Subtract the new number by the original number
950 - 911 = 39
39 ÷ 911 = 0.042810098792535674
0.042810098792535674 x 100 = 4.28%