How are these numbers calculated?

Big Games

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

Week of 4/27100.0*Average seed
Crystal Palace 0 Man City 2 -0.2
Arsenal 3 Newcastle 0 +0.0
Week of 5/3100.0*Average seed
Swansea 0 Southampton 1 +0.1
Stoke 4 Fulham 1 -0.1
Newcastle 3 Cardiff 0 -0.1
Aston Villa 3 Hull 1 +0.0
Arsenal 1 West Brom 0 +0.0
Week of 5/11100.0*Average seed
Fulham 2 Crystal Palace 2 -0.1
West Brom 1 Stoke 2 -0.1
Points
Chance Will Win Championship