How are these numbers calculated?

Big Games

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

Week of 4/17100.0*Average seed
QPR 0 Cardiff 1 -0.1
Week of 4/24100.0*Average seed
Nottm Forest 3 Plymouth 0 +0.1
Cardiff 3 Sheff Wed 2 -0.1
Week of 5/2100.0*Average seed
Derby 2 Cardiff 0 +0.1
Scunthorpe 2 Nottm Forest 2 +0.1
Points
Chance Will Win Championship