Wait until your return has been accepted (or mailed if paper-filing).
Use the same TurboTax account you used to file your original return.
Once you begin your amendment, you'll see your original return. Only make changes to the areas of your return that need amending. The refund calculator will start new at $0 and only reflect the changes in the refund or tax due.
Any changes you make to amend your federal return will automatically be transferred over to your state return.
what type of income from the list below is reported on your 1099-G?
Unemployment compensation.
State or local income tax refunds, credits, or offsets.