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*Relegated100.0*Average seed
Werder Bremen 1 Karlsruher 3 -1.1
+0.4
VfL Bochum 2 Eintracht 0 Yes
Week of 5/23100.0*Relegated100.0*Average seed
Karlsruher 4 Hertha Berlin 0 +0.7
Energie Cottbus 3 Leverkusen 0 -0.3
Arminia Bielefeld 2 Hannover 96 2 +0.1
Points
Chance Will Win Championship