Why are the percentage rates IN the tool not the same as what they go by

[princereg3000]

The 2 Comparisons of the percentages are off and misleading even for a calculator.
You would expect a site that is label .gov to be updated to the best of its abilities.
My brother brought this to my attention and at 1st I said no that's wrong.So him and his fellow service members are taking this information and running with it as planned and i called the GI BILL customer service who guided me to the other image which shows the correct rate.
Is there any reason that this is off or can it be made clearer. Because I have 7 months of activitiy and if i where to go by this tool I would believe that i'm 60%
Thoughts?