3.79% is the change from 897 to 931
Calculation steps:
[( 931 - 897 ) ÷ 897] x 100 = 3.79%
Formula
Percentage change = [(931 - 897) / 897] x 100
Subtract the new number by the original number
931 - 897 = 34
34 ÷ 897 = 0.0379041248606466
0.0379041248606466 x 100 = 3.79%