Hi,
The charges that appear on your debit card include taxes, which aren't shown in the subscription prices. The amount charged to your debit card may also be different if you used Apple ID credit to pay for part of it. Additionally, iCloud subscriptions aren't shown on the Subscriptions page in App Store settings. You can check the renewal/billing information for iCloud by going to Settings > Your name > iCloud > Manage Storage > Change Storage Plan.
If you wish to request a refund, you can do so here: https://reportaproblem.apple.com. You can request refunds for unauthorized purchases, as well as other things.
If you feel your account has been compromised, I recommend turning on Two-Factor Authentication and changing your password.
Hope this helps!