27.57% is the change from 671 to 856
Calculation steps:
[( 856 - 671 ) ÷ 671] x 100 = 27.57%
Formula
Percentage change = [(856 - 671) / 671] x 100
Subtract the new number by the original number
856 - 671 = 185
185 ÷ 671 = 0.2757078986587183
0.2757078986587183 x 100 = 27.57%