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
Colchester 1 Tranmere 1 -3.3
+0.1
Norwich 2 Gillingham 0 -3.2
+0.1
Exeter City 1 Charlton 1 +0.7
Millwall 2 Leyton Orient 1 -0.2
Wycombe 2 Swindon 2 -0.2
+0.0
Brentford 1 Yeovil 1 +0.1
Oldham 2 Southend 2 +0.0
Week of 5/1100.0*Relegated100.0*Average seed
Tranmere 2 Millwall 0 -43.7
+1.1
Gillingham 2 Southampton 1 +14.1
-0.3
Hartlepool 1 Exeter City 1 +2.8
-0.0
Leyton Orient 2 Wycombe 0 -0.1
+0.1
Week of 5/8100.0*Relegated100.0*Average seed
Stockport 0 Tranmere 3 -51.5
+1.1
Exeter City 2 Huddersfield 1 +13.2
-0.1
Wycombe 3 Gillingham 0 -1.3
+0.0
Colchester 1 Leyton Orient 0 -1.3
+0.1
Points
Chance Will Win Championship