Hi Connie, so sorry to hear about your car accident. We’ve got a great article that covers how to calculate your car depreciation. I would also recommend that you use a tax prep software like TurboTax. It will do all of the depreciation calculations for you!
Car Depreciation article: https://fitsmallbusiness.com/car-depreciation-deduction/
Tax Software article: https://fitsmallbusiness.com/best-tax-software-provider-turbotax-vs-hr-block/