How are these numbers calculated?

Big Games

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

Week of 4/21100.0*Average seed
Bournemouth 1 Colchester 1 +0.2
Notts County 2 Bury 4 -0.2
Tranmere 1 Hartlepool 1 +0.1
Huddersfield 1 Scunthorpe 0 +0.0
Oldham 1 Preston 1 +0.0
Week of 4/28100.0*Average seed
Colchester 4 Tranmere 2 +1.0
Bury 0 Oldham 0 +0.1
Hartlepool 2 Leyton Orient 1 -0.1
Scunthorpe 1 Bournemouth 1 +0.1
Week of 5/5100.0*Average seed
Notts County 4 Colchester 1 -0.1
Charlton 3 Hartlepool 2 +0.1
Points
Chance Will Win Championship