34.13% is the change from 671 to 900
Calculation steps:
[( 900 - 671 ) ÷ 671] x 100 = 34.13%
Formula
Percentage change = [(900 - 671) / 671] x 100
Subtract the new number by the original number
900 - 671 = 229
229 ÷ 671 = 0.3412816691505216
0.3412816691505216 x 100 = 34.13%