96.56% is the change from 349 to 686
Calculation steps:
[( 686 - 349 ) ÷ 349] x 100 = 96.56%
Formula
Percentage change = [(686 - 349) / 349] x 100
Subtract the new number by the original number
686 - 349 = 337
337 ÷ 349 = 0.9656160458452722
0.9656160458452722 x 100 = 96.56%