ebdaily

Here's just one good article on the fat content: http://www.livestrong.com/article/343588-nutrition-of-a-hard-boiled-egg-vs-a-fried-egg/

I don't know the exact science behind it but when an egg is fried more of the fat in the egg renders which would increase the calorie count. The entry might also assume you are using either butter, oil or spray when frying it.