27.35% is the change from 680 to 866
Calculation steps:
[( 866 - 680 ) ÷ 680] x 100 = 27.35%
Formula
Percentage change = [(866 - 680) / 680] x 100
Subtract the new number by the original number
866 - 680 = 186
186 ÷ 680 = 0.2735294117647059
0.2735294117647059 x 100 = 27.35%