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
Plymouth 2 Dag & Red 3 -31.3
-0.9
Bristol Rovers 3 Exeter 1 -5.4
-0.1
Oxford Utd 2 Hartlepool 0 -5.1
-0.1
Accrington 3 York 0 -5.1
-0.1
Portsmouth 2 Wycombe 1 -0.1
Wimbledon 0 Portsmouth 1 -0.1
-0.1
Week of 4/30100.0*League One100.0*Average seed
Cambridge 2 Plymouth 2 -4.3
-0.2
Carlisle 0 Oxford Utd 2 -2.6
-0.1
York 1 Bristol Rovers 4 -2.5
-0.1
Wycombe 0 Accrington 1 -2.4
-0.1
Hartlepool 0 Portsmouth 2 -0.1
-0.2
Week of 5/7100.0*League One100.0*Average seed
Portsmouth 1 Northampton 2 +0.5
Plymouth 5 Hartlepool 0 +0.1
Points
Chance Will Win Championship