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*Average seed
Hartlepool 0 Nottm Forest 1 -0.4
Bristol Rovers 0 Brighton 2 +0.3
Bournemouth 1 Crewe 0 +0.1
Week of 5/3100.0*Average seed
Leyton Orient 3 Bristol Rovers 1 +0.3
Swindon 2 Millwall 1 +0.1
Walsall 2 Hartlepool 2 +0.0
Nottm Forest 3 Yeovil 2 +0.0
Points
Chance Will Win Championship