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*Average seed
Bournemouth 2 Stoke City 2 +0.1
West Ham 1 Tottenham Hotspur 0 -0.1
Leicester City 3 Watford 0 -0.0
Burnley 2 West Brom 2 -0.0
Liverpool 0 Southampton 0 -0.0
Week of 5/10100.0*Average seed
West Brom 0 Chelsea 1 -0.2
Middlesbrough 1 Southampton 2 -0.2
Southampton 0 Arsenal 2 +0.1
Bournemouth 2 Burnley 1 -0.1
Manchester City 2 Leicester City 1 +0.1
West Ham 0 Liverpool 4 +0.1
Stoke City 1 Arsenal 4 +0.0
Week of 5/15100.0*Average seed
Swansea City 2 West Brom 1 -1.0
Southampton 0 Stoke City 1 +0.4
Manchester City 3 West Brom 1 -0.3
Leicester City 1 Bournemouth 1 +0.2
Southampton 0 Manchester United 0 -0.1
Leicester City 1 Tottenham Hotspur 6 +0.1
Points
Chance Will Win Championship