How are these numbers calculated?

Big Games

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

Week of 4/23100.0*Average seed
Werder Bremen 1 FC Köln 0 +0.3
Nürnberg 2 BVB 3 -0.2
Leverkusen 3 Hannover 96 0 -0.1
VfL Bochum 0 VfB Stuttgart 2 -0.1
Week of 5/8100.0*Average seed
Werder Bremen 1 Hamburger SV 1 +0.1
VfL Borussia 1 Leverkusen 1 +0.1
SC Freiburg 3 BVB 1 +0.1
Points
Chance Will Win Championship