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 Two100.0*Average seed
Bury 0 Oldham 1 +13.3
-0.1
Bury 2 Scunthorpe 1 +7.2
-0.2
Oldham 1 Yeovil 0 +7.0
-0.1
Scunthorpe 1 Walsall 1 +4.6
-0.1
Colchester 0 MK Dons 2 -1.1
Brentford 3 Portsmouth 2 -0.7
+0.1
Notts County 3 Colchester 1 -0.3
Tranmere 0 Hartlepool 1 +0.3
-0.1
Shrewsbury 0 Bournemouth 3 -0.1
Week of 4/20100.0*League Two100.0*Average seed
MK Dons 0 Scunthorpe 1 -9.3
+0.4
Oldham 2 Crawley Town 1 +0.3
Colchester 0 Shrewsbury 0 -0.1
Portsmouth 3 Sheff Utd 0 -0.3
Hartlepool 1 Brentford 1 +0.1
Walsall 1 Bury 1 +0.0
Week of 4/27100.0*League Two100.0*Average seed
Scunthorpe 2 Swindon 1 -22.6
+0.3
Carlisle 0 Colchester 2 Yes
-0.1
Shrewsbury 3 Portsmouth 2 +0.1
Points
Chance Will Win Championship