38.3% is the change from 671 to 928
Calculation steps:
[( 928 - 671 ) ÷ 671] x 100 = 38.3%
Formula
Percentage change = [(928 - 671) / 671] x 100
Subtract the new number by the original number
928 - 671 = 257
257 ÷ 671 = 0.3830104321907601
0.3830104321907601 x 100 = 38.3%