ATI CAT - is this a good sign?

Hi friends, I am one week out from graduating nursing school! I just took my first ATI CAT exam and it shut off at 85 with a score of 65% - 91st percentile with moderate difficulty. I have heard from a ton of people that ATI is more difficult than the NCLEX, so I'm wondering if this is a good score? I'm still debating spending the money on U-World or just using ATI since I already have it. TIA!