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 -1.6
-0.1
Leyton Orient 2 MK Dons 0 +1.2
+1.2
Colchester 0 MK Dons 2 -0.4
-0.2
Sheff Utd 2 Swindon 0 +0.2
Tranmere 0 Hartlepool 1 +0.1
+0.2
Stevenage 0 Yeovil 2 -0.1
Scunthorpe 1 Walsall 1 +0.1
+0.0
Crewe 1 Doncaster 2 +0.1
Crawley Town 2 Coventry 0 -0.0
Notts County 3 Colchester 1 -0.1
Week of 4/20100.0*Championship100.0*Average seed
Coventry 0 Leyton Orient 1 +1.5
+1.2
Swindon 3 Stevenage 0 No
MK Dons 0 Scunthorpe 1 +0.1
+0.2
Walsall 1 Bury 1 +0.1
+0.0
Preston 1 Tranmere 0 +0.2
Oldham 2 Crawley Town 1 +0.1
Week of 4/27100.0*Championship100.0*Average seed
Crewe 2 Walsall 0 +0.2
Stevenage 0 MK Dons 2 -0.2
Points
Chance Will Win Championship