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