Hi deanhowell, 

Depending on how your account has been set up, that can be the correct behaviour. As a Credit card account is a liability, when it shows up in the Chart of Accounts and the In QuickBooks section, it will display a positive amount when there has been money spent on the credit card, and a negative amount when the card has been overpaid. In the Banking section, though, the Bank balance will be a negative as it is displaying money that has been spent. When you record a payment on the credit card and record that in Quickbooks, it will move both values closer to zero, as it is closer to being balanced and paid off from both perspectives. 

If you have any other questions, feel free to reply in this thread and we'll be happy to answer any other questions that you have!

-Lucas