How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 4/23100.0*Average seed
Milton Keynes 1 Brentford 4 +0.1
Charlton Athletic 1 Brighton & Hove 3 -0.1
Week of 5/2100.0*Average seed
Leeds United 1 Charlton Athletic 2 +0.3
Ipswich Town 3 Milton Keynes 2 +0.0
Week of 5/7100.0*Average seed
Milton Keynes 1 Nottingham Forest 2 +0.5
Charlton Athletic 0 Burnley 3 -0.2
Points
Chance Will Win Championship