3.1% is the change from 902 to 930
Calculation steps:
[( 930 - 902 ) ÷ 902] x 100 = 3.1%
Formula
Percentage change = [(930 - 902) / 902] x 100
Subtract the new number by the original number
930 - 902 = 28
28 ÷ 902 = 0.031042128603104215
0.031042128603104215 x 100 = 3.1%