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
Oldham 1 Preston 1 -0.1
-0.5
Charlton 2 Wycombe 1 -0.1
Exeter City 4 Walsall 2 -0.1
+0.1
Leyton Orient 2 Yeovil 2 +0.1
Notts County 2 Bury 4 -0.2
Huddersfield 1 Scunthorpe 0 +0.1
Week of 4/28100.0*Relegated100.0*Average seed
Yeovil 3 Chesterfield 2 -0.2
Bury 0 Oldham 0 -0.1
Scunthorpe 1 Bournemouth 1 +0.1
Preston 2 Charlton 2 -0.1
Walsall 1 Huddersfield 1 +0.0
Week of 5/5100.0*Relegated100.0*Average seed
Oldham 2 Carlisle 1 +0.8
Huddersfield 2 Yeovil 0 +0.2
Bournemouth 1 Preston 0 +0.1
Tranmere 1 Scunthorpe 1 -0.0
Points
Chance Will Win Championship