3.31% is the change from 906 to 936
Calculation steps:
[( 936 - 906 ) ÷ 906] x 100 = 3.31%
Formula
Percentage change = [(936 - 906) / 906] x 100
Subtract the new number by the original number
936 - 906 = 30
30 ÷ 906 = 0.033112582781456956
0.033112582781456956 x 100 = 3.31%