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 2 Scunthorpe 1 -0.2
Shrewsbury 0 Bournemouth 3 +0.1
-0.4
Bury 0 Oldham 1 +0.1
Oldham 1 Yeovil 0 +0.1
-0.1
Scunthorpe 1 Walsall 1 -0.0
Colchester 0 MK Dons 2 +0.1
Notts County 3 Colchester 1 +0.1
Stevenage 0 Yeovil 2 +0.1
Week of 4/20100.0*League Two100.0*Average seed
MK Dons 0 Scunthorpe 1 +0.2
Colchester 0 Shrewsbury 0 No
+0.0
Shrewsbury 1 Oldham 0 +0.5
Oldham 2 Crawley Town 1 -0.1
Swindon 3 Stevenage 0 +0.1
Preston 1 Tranmere 0 -0.0
Week of 4/27100.0*League Two100.0*Average seed
Shrewsbury 3 Portsmouth 2 +0.3
Stevenage 0 MK Dons 2 +0.2
Leyton Orient 1 Oldham 1 +0.0
Points
Chance Will Win Championship