2.9% is the change from 930 to 957
Calculation steps:
[( 957 - 930 ) ÷ 930] x 100 = 2.9%
Formula
Percentage change = [(957 - 930) / 930] x 100
Subtract the new number by the original number
957 - 930 = 27
27 ÷ 930 = 0.02903225806451613
0.02903225806451613 x 100 = 2.9%