27.84% is the change from 686 to 877
Calculation steps:
[( 877 - 686 ) ÷ 686] x 100 = 27.84%
Formula
Percentage change = [(877 - 686) / 686] x 100
Subtract the new number by the original number
877 - 686 = 191
191 ÷ 686 = 0.2784256559766764
0.2784256559766764 x 100 = 27.84%