103.57% is the change from 336 to 684
Calculation steps:
[( 684 - 336 ) ÷ 336] x 100 = 103.57%
Formula
Percentage change = [(684 - 336) / 336] x 100
Subtract the new number by the original number
684 - 336 = 348
348 ÷ 336 = 1.0357142857142858
1.0357142857142858 x 100 = 103.57%