I've taken several kinds of psychometric tests, but have never seen one that produces a single result, whose unit is %. What kind of psychometric test could that possibly be?
Even when I saw my own results, towards the end of my employment there, there wasn't a single overall metric result.
Maybe she did some kind of averaging, or maybe she was told by management to invent a reason to reject him... since about 96% of the company was of British White origin - I shouldn't speculate though.