34.43% is the change from 671 to 902
Calculation steps:
[( 902 - 671 ) ÷ 671] x 100 = 34.43%
Formula
Percentage change = [(902 - 671) / 671] x 100
Subtract the new number by the original number
902 - 671 = 231
231 ÷ 671 = 0.3442622950819672
0.3442622950819672 x 100 = 34.43%