How are these numbers calculated?

Big Games

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

Week of 4/26100.0*Relegated100.0*Average seed
Bournemouth 1 Crewe 0 -16.7
+0.5
Oldham 2 Cheltenham 1 -4.5
+0.1
Millwall 3 Carlisle 0 +1.7
Gillingham 1 Swindon 1 -0.9
+0.1
Huddersfield 2 Walsall 0 -0.2
Tranmere 1 Southend 0 -0.1
Doncaster 2 Luton 0 -0.1
Swansea City 4 Leyton Orient 1 -0.1
Week of 5/3100.0*Relegated100.0*Average seed
Cheltenham 2 Doncaster 1 +20.4
-0.3
Carlisle 1 Bournemouth 1 +11.0
-0.2
Crewe 1 Oldham 4 -8.8
+0.2
Leeds 2 Gillingham 1 -3.6
+0.2
Southend 1 Port Vale 1 -0.2
Leyton Orient 3 Bristol Rovers 1 -0.2
Luton 0 Huddersfield 1 *-0.1

* 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