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 +11.4
+0.8
Burton Albion 1 Plymouth Argyle 0 -3.5
-0.2
Northampton 0 York 2 +2.3
+0.2
Rotherham 2 Fleetwood Town 1 -2.1
-0.2
AFC Wimbledon 2 Exeter City 2 +0.5
+0.1
Chesterfield 2 Bradford City 2 +0.2
+0.0
Rochdale 2 Port Vale 2 *-0.1
Week of 4/20100.0*League One100.0*Average seed
Exeter City 0 Cheltenham Town 1 +12.7
+0.7
Plymouth Argyle 0 Rotherham 1 -5.0
-0.2
Bradford City 1 Burton Albion 0 +3.6
+0.1
Port Vale 2 Northampton 2 *-0.1
+0.1
Week of 4/27100.0*League One100.0*Average seed
Cheltenham Town 0 Bradford City 0 -13.2
-0.2
Rotherham 2 Aldershot Town 0 -13.2
-0.2
Burton Albion 3 Gillingham 2 -0.3

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Win Championship