I don't think you should enter a new asset. You should just change the percentage.
With the TurboTax program, you can't do that. If you change the percentage from 75% to 100% on the 2022 taxes, the program will incorrectly assume it's been 100% for the entire time you've owned the property. That will incorrectly make your 2022 depreciation amount way more than it should be, since the program "sees" that you didn't take what it considers full depreciation for 100% business use in past years.
