How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 5/16100.0*Average seed
Hamburger SV 0 FC Köln 1 +0.4
VfL Bochum 2 Eintracht 0 +0.1
Hannover 96 0 VfL Wolfsburg 5 +0.1
Leverkusen 5 VfL Borussia 0 +0.0
Week of 5/23100.0*Average seed
Arminia Bielefeld 2 Hannover 96 2 +0.1
FC Köln 1 VfL Bochum 1 -0.0
Points
Chance Will Win Championship