can you help me find out what was charged on my account

Use the following from If you see apple.com/bill, itunes.com/bill, or an unfamiliar charge on your statement - Apple Support

and click on the words "contact Apple Support" below:

If you followed the steps above and you didn't find out why you were charged, contact Apple Support.

See instructions in If you see apple.com/bill, itunes.com/bill, or an unfamiliar charge on your statement - Apple Support

If you have changed your ID or password, have you followed the steps in this article?

What to do after you change your Apple ID or password - Apple Support