How are these numbers calculated?

Big Games

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

Week of 5/7100.0*UEFA CL100.0*Average seed
Liverpool 1 Chelsea 1 No
-0.3
Manchester City 2 Arsenal 2 No
West Ham 1 Swansea City 4 +0.2
West Ham 3 Manchester United 2 +0.0
-0.2
Liverpool 2 Watford 0 +0.3
Norwich City 0 Manchester United 1 -0.1
Tottenham Hotspur 1 Southampton 2 -0.4
Week of 5/15100.0*UEFA CL100.0*Average seed
Stoke City 2 West Ham 1 +0.3
West Brom 1 Liverpool 1 -0.2
Southampton 4 Crystal Palace 1 -0.2
Points
Chance Will Win Championship