120.58% is the change from 311 to 686
Calculation steps:
[( 686 - 311 ) ÷ 311] x 100 = 120.58%
Formula
Percentage change = [(686 - 311) / 311] x 100
Subtract the new number by the original number
686 - 311 = 375
375 ÷ 311 = 1.2057877813504823
1.2057877813504823 x 100 = 120.58%