Originally Posted by Prospero

I agree.

As a real life example, the result of last year's Scottish Independence referendum went 55/45. The 55 was broadly viewed as a commanding majority

Originally Posted by intuition

Well, that is not entirely mathematically true either. I'm lacking the correct word in english, but a 59% to 39% result won by 20 percentage units, not by 20%. In fact, it won by 51%, ie the winning side is 51% larger than the losing side (59/39=1,51).