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*Average seed
Stoke City 1 Arsenal 4 -0.8
Crystal Palace 4 Hull City 0 -0.2
Middlesbrough 1 Southampton 2 -0.1
Everton 1 Watford 0 +0.1
West Ham 0 Liverpool 4 +0.1
Manchester City 2 Leicester City 1 +0.1
Bournemouth 2 Burnley 1 +0.0
Week of 5/17100.0*Average seed
Southampton 0 Stoke City 1 +1.6
Manchester United 2 Crystal Palace 0 +0.2
Watford 0 Manchester City 5 +0.1
Chelsea 4 Watford 3 +0.1
Swansea City 2 West Brom 1 -0.1
Burnley 1 West Ham 2 +0.1
Leicester City 1 Tottenham Hotspur 6 +0.0
Points
Chance Will Win Championship