2.53% is the change from 908 to 931
Calculation steps:
[( 931 - 908 ) ÷ 908] x 100 = 2.53%
Formula
Percentage change = [(931 - 908) / 908] x 100
Subtract the new number by the original number
931 - 908 = 23
23 ÷ 908 = 0.025330396475770924
0.025330396475770924 x 100 = 2.53%