29.21% is the change from 671 to 867
Calculation steps:
[( 867 - 671 ) ÷ 671] x 100 = 29.21%
Formula
Percentage change = [(867 - 671) / 671] x 100
Subtract the new number by the original number
867 - 671 = 196
196 ÷ 671 = 0.29210134128166915
0.29210134128166915 x 100 = 29.21%