102.37% is the change from 338 to 684
Calculation steps:
[( 684 - 338 ) ÷ 338] x 100 = 102.37%
Formula
Percentage change = [(684 - 338) / 338] x 100
Subtract the new number by the original number
684 - 338 = 346
346 ÷ 338 = 1.0236686390532543
1.0236686390532543 x 100 = 102.37%