3.14% is the change from 223 to 230
Calculation steps:
[( 230 - 223 ) ÷ 223] x 100 = 3.14%
Formula
Percentage change = [(230 - 223) / 223] x 100
Subtract the new number by the original number
230 - 223 = 7
7 ÷ 223 = 0.03139013452914798
0.03139013452914798 x 100 = 3.14%