How are these numbers calculated?

Big Games

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

Week of 4/24100.0*Relegated100.0*Average seed
Brighton 2 Bristol Rovers 1 *No
+0.7
Colchester 1 Tranmere 1 *No
Walsall 3 Hartlepool 1 *No
+0.0
Oldham 2 Southend 2 +0.1
Southampton 3 Carlisle 2 +0.1
Millwall 2 Leyton Orient 1 +0.0
Leeds 4 Milton Keynes 1 +0.0
Week of 5/1100.0*Relegated100.0*Average seed
Milton Keynes 0 Brighton 0 -0.1
Hartlepool 1 Exeter City 1 +0.0
Yeovil 3 Oldham 0 -0.0
Carlisle 1 Walsall 1 +0.0
Week of 5/8100.0*Relegated100.0*Average seed
Brighton 1 Yeovil 0 +0.5
Norwich 0 Carlisle 2 -0.4
Walsall 2 Milton Keynes 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