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*Average seed
Brighton 2 Bristol Rovers 1 -0.3
Brentford 1 Yeovil 1 +0.1
Leeds 4 Milton Keynes 1 +0.1
Week of 5/1100.0*Average seed
Bristol Rovers 0 Norwich 3 -0.4
Milton Keynes 0 Brighton 0 +0.1
Swindon 3 Brentford 2 +0.1
Carlisle 1 Walsall 1 -0.0
Week of 5/8100.0*Average seed
Brentford 0 Hartlepool 0 +0.5
Leeds 2 Bristol Rovers 1 -0.3
Walsall 2 Milton Keynes 1 -0.1
Points
Chance Will Win Championship