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 +0.3
BVB 6 Arminia Bielefeld 0 +0.1
Week of 5/23100.0*Average seed
Eintracht 2 Hamburger SV 3 -0.3
VfL Borussia 1 BVB 1 -0.1
Points
Chance Will Win Championship