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*League One100.0*Average seed
Cheltenham Town 1 Gillingham 0 +10.5
+0.9
Northampton 0 York 2 +3.2
+0.2
Burton Albion 1 Plymouth Argyle 0 -1.8
-0.1
Rotherham 2 Fleetwood Town 1 -1.2
-0.1
AFC Wimbledon 2 Exeter City 2 +0.6
+0.1
Chesterfield 2 Bradford City 2 +0.3
+0.0
Week of 4/20100.0*League One100.0*Average seed
Exeter City 0 Cheltenham Town 1 +17.6
+0.9
Plymouth Argyle 0 Rotherham 1 -5.4
-0.1
Bradford City 1 Burton Albion 0 +1.4
+0.1
Week of 4/27100.0*League One100.0*Average seed
Cheltenham Town 0 Bradford City 0 -7.7
-0.3
Rotherham 2 Aldershot Town 0 -7.7
-0.1
Burton Albion 3 Gillingham 2 -0.3
Points
Chance Will Win Championship