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
Norwich 2 Gillingham 0 +12.2
-0.9
Colchester 1 Tranmere 1 -1.6
+0.1
Exeter City 1 Charlton 1 -0.9
+0.1
Millwall 2 Leyton Orient 1 -0.7
+0.1
Wycombe 2 Swindon 2 -0.6
+0.0
Oldham 2 Southend 2 -0.2
+0.0
Brentford 1 Yeovil 1 +0.1
+0.0
Walsall 3 Hartlepool 1 +0.1
Week of 5/1100.0*Relegated100.0*Average seed
Gillingham 2 Southampton 1 -20.2
+1.1
Tranmere 2 Millwall 0 +10.5
-0.3
Leyton Orient 2 Wycombe 0 -2.1
-0.1
Hartlepool 1 Exeter City 1 +0.8
+0.0
Yeovil 3 Oldham 0 +0.3
-0.1
Week of 5/8100.0*Relegated100.0*Average seed
Stockport 0 Tranmere 3 +14.7
-0.5
Exeter City 2 Huddersfield 1 +14.7
-0.3
Wycombe 3 Gillingham 0 +5.1
-1.0
Brentford 0 Hartlepool 0 -0.2
Brighton 1 Yeovil 0 +0.2
Oldham 0 Charlton 2 +0.1
Colchester 1 Leyton Orient 0 +0.1
Points
Chance Will Win Championship