28.32% is the change from 671 to 861
Calculation steps:
[( 861 - 671 ) ÷ 671] x 100 = 28.32%
Formula
Percentage change = [(861 - 671) / 671] x 100
Subtract the new number by the original number
861 - 671 = 190
190 ÷ 671 = 0.28315946348733234
0.28315946348733234 x 100 = 28.32%