How are these numbers calculated?

Big Games

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

Week of 4/22None
Week of 4/26100.0*Average seed
Wigan 0 Blackpool 2 +0.1
QPR 1 Millwall 1 -0.1
Derby 4 Watford 2 -0.0
Week of 5/3None
Points
Chance Will Win Championship