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
Swindon 4 Crewe 1 -1.7
-0.1
Scunthorpe 1 Walsall 1 -1.3
-0.2
Sheff Utd 2 Swindon 0 +0.6
+0.1
Colchester 0 MK Dons 2 -0.4
-0.2
Stevenage 0 Yeovil 2 -0.4
Tranmere 0 Hartlepool 1 +0.3
+0.2
Leyton Orient 2 MK Dons 0 +0.1
-0.0
Crawley Town 2 Coventry 0 +0.1
+0.1
Crewe 1 Doncaster 2 +0.1
Week of 4/20100.0*Championship100.0*Average seed
Swindon 3 Stevenage 0 No
-0.1
Walsall 1 Bury 1 -0.9
-0.1
MK Dons 0 Scunthorpe 1 +0.1
+0.2
Coventry 0 Leyton Orient 1 -0.1
-0.1
Preston 1 Tranmere 0 +0.2
Oldham 2 Crawley Town 1 +0.1
Crawley Town 1 Preston 0 -0.1
Week of 4/27100.0*Championship100.0*Average seed
Crewe 2 Walsall 0 -0.9
Stevenage 0 MK Dons 2 -0.3
Tranmere 0 Bournemouth 0 +0.2
Crawley Town 2 Hartlepool 2 +0.2
Leyton Orient 1 Oldham 1 +0.1
Points
Chance Will Win Championship