@bug Yep, I was planning to mention expm1 (which is also more precise) but decided the post is already too long :)
The thing wiki mentions is actually the same as in my article: if you divide a thing by e = 2.71828, you get 0.3678 of the thing, or 36.78%, meaning you got closer to zero by 100 - 36.78 = 63.21%