How are these numbers calculated?

Big Games

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

Week of 5/13100.0*UEFA CL100.0*Average seed
Stoke City 1 Arsenal 4 +12.5
+0.3
West Ham 0 Liverpool 4 -8.0
-0.1
Manchester City 2 Leicester City 1 -4.4
-0.1
Tottenham Hotspur 2 Manchester United 1 +1.6
+0.1
Week of 5/17100.0*UEFA CL100.0*Average seed
Arsenal 3 Everton 1 +25.0
+0.3
Liverpool 3 Middlesbrough 0 -15.7
-0.2
Arsenal 2 Sunderland 0 +8.4
+0.2
Manchester City 3 West Brom 1 -5.3
-0.1
Watford 0 Manchester City 5 -1.6
-0.0
Southampton 0 Manchester United 0 +0.0
Points
Chance Will Win Championship