The negative amount is the amount of your disallowed state and local income and property taxes. Due to tax reform, there is a $10,000 maximum on the total amount of both of these deductions combined. TurboTax is showing you the amount you are not able to claim with that negative number. It's only for your reference - it doesn't get factored into the return.
It shows you are using the standard deduction of $24,000 this year, which is why you are seeing 0s for the other itemized deductions.
Your total deductions are much less this year mostly because of the loss of the personal exemptions. But, note that your Child and Other Dependent Credit is much larger this year. Credits are more beneficial than deductions because they reduce tax liability directly dollar for dollar.
