How are these numbers calculated?

Big Games

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

Week of 4/22100.0*Premier League100.0*Average seed
Reading 2 Middlesbrough 0 -0.9
-0.1
Brighton 2 Yeovil 0 -0.4
-0.1
Week of 4/26100.0*Premier League100.0*Average seed
Bournemouth 4 Nottm Forest 1 No
-1.1
Doncaster 1 Reading 3 -0.8
-0.1
Wigan 0 Blackpool 2 +0.2
Burnley 1 Ipswich 0 +0.1
+0.1
Charlton 1 Blackburn 3 -0.1
-0.2
Derby 4 Watford 2 +0.1
Charlton 3 Watford 1 +0.2
Week of 5/3100.0*Premier League100.0*Average seed
Nottm Forest 1 Brighton 2 -0.7
Millwall 1 Bournemouth 0 +0.3
Ipswich 2 Sheff Wed 1 -0.2
Blackburn 4 Wigan 3 -0.2
Points
Chance Will Win Championship