61.32% is the change from 424 to 684
Calculation steps:
[( 684 - 424 ) ÷ 424] x 100 = 61.32%
Formula
Percentage change = [(684 - 424) / 424] x 100
Subtract the new number by the original number
684 - 424 = 260
260 ÷ 424 = 0.6132075471698113
0.6132075471698113 x 100 = 61.32%