How are these numbers calculated?

Big Games

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

Week of 4/13100.0*Championship100.0*Average seed
Scunthorpe 1 Walsall 1 -1.1
-0.2
Swindon 4 Crewe 1 -0.8
-0.0
Stevenage 0 Yeovil 2 -0.4
Sheff Utd 2 Swindon 0 +0.4
Tranmere 0 Hartlepool 1 +0.2
+0.3
Colchester 0 MK Dons 2 -0.2
-0.2
Leyton Orient 2 MK Dons 0 +0.1
Crawley Town 2 Coventry 0 +0.0
Week of 4/20100.0*Championship100.0*Average seed
Swindon 3 Stevenage 0 No
-0.0
Walsall 1 Bury 1 -0.5
-0.7
MK Dons 0 Scunthorpe 1 +0.1
+0.4
Coventry 0 Leyton Orient 1 -0.1
-0.2
Crawley Town 1 Preston 0 -0.1
Preston 1 Tranmere 0 +0.1
Oldham 2 Crawley Town 1 +0.1
Week of 4/27100.0*Championship100.0*Average seed
Crewe 2 Walsall 0 -1.0
Stevenage 0 MK Dons 2 -0.3
Crawley Town 2 Hartlepool 2 +0.3
Tranmere 0 Bournemouth 0 +0.2
Leyton Orient 1 Oldham 1 +0.2
Points
Chance Will Win Championship