Percent difference between the 2 percentages:

3.4% - 5.9% = -2.5%

drop the minus sign and turn it into a plus =2.5

3.4 + 5.9 = 9.2/2.5= 3.68

2.5/3.68= .67

.67 X 100 = 67.9%

So the + 3.4 % is greater than the minus 5.9% by a 67.9% or a staistical significance of 67.9%

Does this make sense?

Koo