38.6% is the change from 671 to 930
Calculation steps:
[( 930 - 671 ) ÷ 671] x 100 = 38.6%
Formula
Percentage change = [(930 - 671) / 671] x 100
Subtract the new number by the original number
930 - 671 = 259
259 ÷ 671 = 0.3859910581222057
0.3859910581222057 x 100 = 38.6%