How are these numbers calculated?

Big Games

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

Week of 5/5100.0*UEFA CL100.0*Average seed
Liverpool 0 Southampton 0 -5.0
-0.2
Arsenal 2 Manchester United 0 +4.8
+0.1
Manchester City 5 Crystal Palace 0 -2.6
-0.1
West Ham 1 Tottenham Hotspur 0 -0.1
Week of 5/10100.0*UEFA CL100.0*Average seed
West Ham 0 Liverpool 4 +18.2
+0.4
Stoke City 1 Arsenal 4 -6.9
-0.1
Southampton 0 Arsenal 2 -5.1
-0.1
Tottenham Hotspur 2 Manchester United 1 +2.4
+0.1
Manchester City 2 Leicester City 1 -1.9
-0.1
Week of 5/15100.0*UEFA CL100.0*Average seed
Arsenal 3 Everton 1 -22.6
-0.2
Liverpool 3 Middlesbrough 0 Yes
+0.3
Arsenal 2 Sunderland 0 -5.2
-0.1
Manchester City 3 West Brom 1 -0.9
-0.2
Watford 0 Manchester City 5 -0.1
Points
Chance Will Win Championship