If MN adjusted your 2024 state return and you now owe $850, they should be sending you an explanation for the changes they made.
Usually a tax increase is due to not including a tax form on your return.
TurboTax software prepares your returns based on your input; however, TurboTax does have a 100% guarantee for accurate calculations, audit support and a maximum refund.
Please see this TurboTax Help Article: TurboTax 100% Accurate Calculation Guarantee