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*League One100.0*Average seed
Wimbledon 1 Leyton Orient 0 +0.6
+0.5
Plymouth 2 Dag & Red 3 +0.2
Oxford Utd 2 Hartlepool 0 -0.2
Accrington 3 York 0 -0.2
Bristol Rovers 3 Exeter 1 -0.2
Wimbledon 0 Portsmouth 1 No
-0.4
Portsmouth 2 Wycombe 1 -0.1
Notts County 1 Cambridge 2 -0.1
Week of 4/30100.0*League One100.0*Average seed
Stevenage 0 Wimbledon 0 -0.1
Hartlepool 0 Portsmouth 2 -0.1
Week of 5/7None
Points
Chance Will Win Championship