How are these numbers calculated?

Big Games

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

Week of 4/23100.0*Conference100.0*Average seed
Accrington 3 York 0 No
Luton 1 Newport 1 No
-0.2
Notts County 1 Cambridge 2 +0.1
Crawley 0 Carlisle 1 +0.1
Morecambe 1 Stevenage 4 -0.0
Yeovil 1 Northampton 1 +0.0
Week of 4/30100.0*Conference100.0*Average seed
Newport 0 Notts County 1 -0.7
Barnet 3 Yeovil 4 -0.2
Dag & Red 3 Crawley 0 +0.1
Exeter 1 Morecambe 1 +0.0
Stevenage 0 Wimbledon 0 -0.0
Week of 5/7100.0*Conference100.0*Average seed
Wimbledon 1 Newport 0 -0.2
Morecambe 1 York 1 +0.1
Points
Chance Will Win Championship