2.97% is the change from 909 to 936
Calculation steps:
[( 936 - 909 ) ÷ 909] x 100 = 2.97%
Formula
Percentage change = [(936 - 909) / 909] x 100
Subtract the new number by the original number
936 - 909 = 27
27 ÷ 909 = 0.0297029702970297
0.0297029702970297 x 100 = 2.97%