If you see the abbreviation e.e. (which stands for enantiomeric excess), then it's more complicated. It's called excess because it tells you how much of an enantiomer you have in excess of the other.
Conceptually it means you have 95% of enantiomer 1 and 5% of a racemic mixture of enantiomers 1 and 2. The actual percentage of the enantiomers are