How are these numbers calculated?

Big Games

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

Week of 4/28100.0*Average seed
Tottenham Hotspur 0 West Ham United 1 +0.9
Burnley 0 Manchester City 1 +0.1
Southampton 3 Bournemouth 3 +0.1
Leicester City 3 Arsenal 0 -0.1
Brighton & Hove 1 Newcastle United 1 +0.1
Crystal Palace 0 Everton 0 +0.0
Week of 5/4100.0*Average seed
West Ham United 3 Southampton 0 +0.6
Cardiff City 2 Crystal Palace 3 -0.2
Bournemouth 1 Tottenham Hotspur 0 -0.1
Chelsea 3 Watford 0 +0.1
Newcastle United 2 Liverpool 3 +0.1
Week of 5/12100.0*Average seed
Watford 1 West Ham United 4 +1.0
Crystal Palace 5 Bournemouth 3 -0.2
Leicester City 0 Chelsea 0 -0.1
Points
Chance Will Win Championship