25.63% is the change from 671 to 843
Calculation steps:
[( 843 - 671 ) ÷ 671] x 100 = 25.63%
Formula
Percentage change = [(843 - 671) / 671] x 100
Subtract the new number by the original number
843 - 671 = 172
172 ÷ 671 = 0.2563338301043219
0.2563338301043219 x 100 = 25.63%