How are these numbers calculated?

Big Games

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

Week of 5/9100.0*Average seed
Stoke 3 Tottenham 0 +0.5
Aston Villa 1 West Ham 0 +0.2
Everton 0 Sunderland 2 +0.2
Crystal Palace 1 Man United 2 +0.0
Week of 5/16100.0*Average seed
West Ham 1 Everton 2 +0.1
Burnley 0 Stoke 0 -0.0
Week of 5/24None
Points
Chance Will Win Championship