Paypal has drawn on balance instead of credit cards. How to find which transactions are which.

[KateAustralia]

Hi

Super frustrated as I was using PayPal to save my eBay sales amounts to then spend. However I 've just discovered that PayPal has used the balance up. I can't see from the transactions which transactions have drawn on the balance vs the two credit cards I have listed. 

Any ideas? And how do I stop it drawing on balance in the future??

Thanks so much!