103.56% is the change from 337 to 686
Calculation steps:
[( 686 - 337 ) ÷ 337] x 100 = 103.56%
Formula
Percentage change = [(686 - 337) / 337] x 100
Subtract the new number by the original number
686 - 337 = 349
349 ÷ 337 = 1.0356083086053411
1.0356083086053411 x 100 = 103.56%