How do I transfer Apple ID money back to my debit card

WHATS THE BALANCE ON MY APPLE ACCOUNT?

See if anything here helps.

Apple ID balance - View   

WHATS MY APPLE CARD BALANCE?

WHATS MY APPLE CARD BALANCE?

You can't do that yourself. Contact iTunes Support for assistance. See the Apple Support articles below for contact information.   

iTunes Support – world wide 

Apple Support schedule phone call     

Billings and Subscriptions 

If necessary, try Twitter

https://twitter.com/AppleSupport.