state tax much higher than fedral for W2 earnings of $14k ?

[Hillary Young]

Hi, I have a question regarding my 16-year-old has W2 earnings of around $14k, so he will pay $160 for federal tax after standard deduction. But using turbo tax his state tax turns out to be $588, does that sound right... because the state tax is usually lower than federal.  I think something is wrong but couldn't figure out. Any help will be greatly appreciated. This is from Indiana BTW.

Lily