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 -3.5
+0.1
Norwich 2 Gillingham 0 -1.6
+0.1
Millwall 2 Leyton Orient 1 -1.5
+0.1
Wycombe 2 Swindon 2 -1.4
+0.0
Exeter City 1 Charlton 1 +1.0
-0.3
Brentford 1 Yeovil 1 +0.2
Oldham 2 Southend 2 -0.2
Walsall 3 Hartlepool 1 -0.1
+0.1
Week of 5/1100.0*Relegated100.0*Average seed
Tranmere 2 Millwall 0 +12.7
-0.2
Hartlepool 1 Exeter City 1 -3.0
-0.2
Gillingham 2 Southampton 1 +1.9
-0.2
Leyton Orient 2 Wycombe 0 -0.6
-0.2
Yeovil 3 Oldham 0 -0.1
-0.0
Week of 5/8100.0*Relegated100.0*Average seed
Exeter City 2 Huddersfield 1 -32.7
+0.7
Stockport 0 Tranmere 3 +30.1
-0.4
Colchester 1 Leyton Orient 0 +0.1
+0.1
Wycombe 3 Gillingham 0 -0.1
+0.3
Points
Chance Will Win Championship