Should I request my employer to withhold state tax for Maryland?

I will start a new job next week. The position is remote. The company is in Maryland. I will reside in Indiana but work remotely. I am a contractor. On Friday my employer told me that they couldn't withhold the state tax for Indiana for me. I am given 2 options: 1) they don't withhold any state tax for me  2) they withhold the state tax for Maryland. For both of the options, I need to hire a professional to help me. Could anyone give me any suggestions? What should I do in my case?

How much more percentage of state tax I need to pay compared to the situation that I reside and work in Indiana? Based on the link here: https://www.marylandtaxes.gov/individual/income/tax-info/index.php

"Nonresidents are subject to a special tax rate of 2.25%, in addition to the state income tax rate."

How should I do the math? 

Any suggestion is appreciated! Thank you in advance.