How are these numbers calculated?

Big Games

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

Week of 4/24100.0*Relegated100.0*Average seed
Brentford 1 Yeovil 1 -0.7
-0.3
Colchester 1 Tranmere 1 -0.5
+0.0
Norwich 2 Gillingham 0 -0.3
+0.2
Millwall 2 Leyton Orient 1 -0.2
+0.2
Exeter City 1 Charlton 1 -0.1
+0.0
Wycombe 2 Swindon 2 -0.1
Walsall 3 Hartlepool 1 +0.1
Brighton 2 Bristol Rovers 1 -0.1
Southampton 3 Carlisle 2 +0.1
Oldham 2 Southend 2 +0.0
Week of 5/1100.0*Relegated100.0*Average seed
Tranmere 2 Millwall 0 +0.4
Yeovil 3 Oldham 0 No
+1.4
Gillingham 2 Southampton 1 +0.2
-0.2
Leyton Orient 2 Wycombe 0 +0.1
-0.3
Hartlepool 1 Exeter City 1 +0.1
Milton Keynes 0 Brighton 0 +0.1
Week of 5/8100.0*Relegated100.0*Average seed
Brighton 1 Yeovil 0 -1.2
Brentford 0 Hartlepool 0 +0.3
Oldham 0 Charlton 2 +0.2
Colchester 1 Leyton Orient 0 +0.2
Norwich 0 Carlisle 2 -0.2
Wycombe 3 Gillingham 0 +0.1
Points
Chance Will Win Championship