How are these numbers calculated?

Big Games

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

Week of 3/6100.0*Average seed
BRA 8 MAN 3 -0.4
MAN 2 FIF 8 -0.3
EDI 2 DUN 10 -0.2
DUN 1 BRA 2 +0.1
Week of 3/13None
Week of 3/20None
Points
Chance Will Win Championship