How are these numbers calculated?

Big Games

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

Week of 4/25100.0*Relegated100.0*Average seed
Huddersfield 2 Brighton 2 -3.9
-0.1
Northampton 2 Hereford 1 +3.9
-0.1
Northampton 0 Milton Keynes 1 -3.5
+0.2
Cheltenham 1 Carlisle 1 -2.8
+0.1
Swindon 2 Bristol Rovers 1 +0.7
-0.2
Tranmere 1 Yeovil 1 +0.5
-0.0
Scunthorpe 3 Cheltenham 0 +0.3
Oldham 1 Southend 1 +0.2
Millwall 2 Leyton Orient 1 +0.2
Hartlepool 0 Leeds 1 *-0.1
+0.2
Week of 5/2100.0*Relegated100.0*Average seed
Carlisle 2 Millwall 0 +23.0
-0.3
Brighton 1 Stockport 0 No
+1.4
Leeds 3 Northampton 0 -3.9
+0.2
Crewe 0 Leicester 3 -3.0
+0.1
Hereford 0 Milton Keynes 1 +0.2
Bristol Rovers 4 Hartlepool 1 +0.2
+0.1
Yeovil 0 Colchester 2 +0.2
+0.2
Walsall 1 Oldham 2 +0.2
Peterborough 2 Swindon 2 +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