Petty Apartheid with Excel

Everyday life in South Africa is, mercifully, much less constrained by legal restrictions based on race than it was 30 years ago. However, it appears that IT has rendered our racial bureaucrats more "productive". A certain very large university has just released the following statistics.

What, on earth, is this meant to convey and is it really likely that the unbelievably exact 66,74% should appear twice, in adjacent cells, or did someone's finger slip?