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*Average seed
Swindon 2 Bristol Rovers 1 -0.6
Milton Keynes 0 Walsall 1 -0.3
Colchester 0 Peterborough 1 +0.2
Oldham 1 Southend 1 +0.1
Huddersfield 2 Brighton 2 -0.0
Week of 5/2100.0*Average seed
Bristol Rovers 4 Hartlepool 1 +0.8
Yeovil 0 Colchester 2 -0.2
Brighton 1 Stockport 0 +0.2
Walsall 1 Oldham 2 +0.0
Points
Chance Will Win Championship