10.32% is the change from 620 to 684
Calculation steps:
[( 684 - 620 ) ÷ 620] x 100 = 10.32%
Formula
Percentage change = [(684 - 620) / 620] x 100
Subtract the new number by the original number
684 - 620 = 64
64 ÷ 620 = 0.1032258064516129
0.1032258064516129 x 100 = 10.32%