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*Relegated100.0*Average seed
Huddersfield 1 Scunthorpe 0 +0.1
-1.2
Charlton 2 Wycombe 1 No
Exeter City 4 Walsall 2 +0.1
Leyton Orient 2 Yeovil 2 -0.0
+0.1
Oldham 1 Preston 1 +0.1
Notts County 2 Bury 4 -0.2
Tranmere 1 Hartlepool 1 +0.0
Week of 4/28100.0*Relegated100.0*Average seed
Scunthorpe 1 Bournemouth 1 -0.5
Yeovil 3 Chesterfield 2 -0.3
Hartlepool 2 Leyton Orient 1 -0.1
Bury 0 Oldham 0 +0.0
Walsall 1 Huddersfield 1 +0.0
Preston 2 Charlton 2 -0.0
Colchester 4 Tranmere 2 +0.0
Week of 5/5100.0*Relegated100.0*Average seed
Oldham 2 Carlisle 1 -0.3
Tranmere 1 Scunthorpe 1 -0.3
Huddersfield 2 Yeovil 0 +0.2
Bournemouth 1 Preston 0 +0.2
Points
Chance Will Win Championship