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 -0.3
+0.1
Crawley Town 2 Coventry 0 +0.2
+1.2
Colchester 0 MK Dons 2 -0.1
-0.2
Tranmere 0 Hartlepool 1 +0.1
Leyton Orient 2 MK Dons 0 -0.1
Notts County 3 Colchester 1 -0.2
Crewe 1 Doncaster 2 +0.1
Carlisle 1 Preston 1 +0.1
Week of 4/20100.0*Championship100.0*Average seed
Oldham 2 Crawley Town 1 No
-0.9
Swindon 3 Stevenage 0 No
Coventry 0 Leyton Orient 1 +0.0
MK Dons 0 Scunthorpe 1 +0.1
Preston 1 Tranmere 0 +0.1
Crawley Town 1 Preston 0 +1.2
Doncaster 0 Notts County 1 -0.2
Crewe 1 Sheff Utd 0 -0.1
Yeovil 1 Crewe 0 +0.1
Week of 4/27100.0*Championship100.0*Average seed
Crawley Town 2 Hartlepool 2 -0.7
Notts County 2 Coventry 2 +0.5
Stevenage 0 MK Dons 2 -0.2
Crewe 2 Walsall 0 +0.2
Tranmere 0 Bournemouth 0 +0.0
Points
Chance Will Win Championship