How are these numbers calculated?

Big Games

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

Week of 4/26100.0*Average seed
Notts County 1 Wycombe 0 -0.4
Darlington 2 Dag & Red 3 +0.4
Barnet 2 Stockport 1 +0.1
Bury 1 Rochdale 1 +0.0
Chester 0 Stockport 0 -0.0
Week of 5/3100.0*Average seed
Peterborough 0 Darlington 2 -0.6
Wycombe 2 Bradford 1 +0.2
Points
Chance Will Win Championship