How are these numbers calculated?

Big Games

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

Week of 4/20100.0*Average seed
Luton Town 4 Norwich City 3 -0.5
Week of 4/27100.0*Average seed
Ebbsfleet United 1 Norwich City 1 +0.1
Week of 5/4100.0*Average seed
Luton Town 1 QPR 2 +0.4
Chance Will Win Championship