I need help with my last year’s returns. It shows a different amount than I received.

[john-ct]

You don't say where it shows a different amount.   IRS or State could have made a correction.

[JohnB5677]

If this was a Federal tax return, you can check your 2024 status at the Where’s My Refund Website.  That may have some indication of a change,

You can also check your State status on this site: Check your state tax refund status

You may have been subject to a tax refund offset.

"The Department of Treasury's Bureau of the Fiscal Service (BFS) issues IRS tax refunds. 

 Through the Treasury Offset Program, the IRS may reduce your refund and offset it to pay:

• Past-due child support;
• Federal agency nontax debts;
• State income tax obligations; or
• Certain unemployment compensation debts owed to a state (generally, these are debts for
  • Compensation paid due to fraud, or
  • Contributions owing to a state fund that weren't paid)."
• Please see the original IRS article Reduced refund