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 +4.7
+1.0
Brighton 2 Yeovil 0 -1.8
-0.1
Week of 4/26100.0*Premier League100.0*Average seed
Doncaster 1 Reading 3 +5.8
+0.8
Birmingham 0 Wigan 1 -1.4
-0.2
Bournemouth 4 Nottm Forest 1 +1.1
+0.1
Wigan 0 Blackpool 2 +0.8
+0.1
Burnley 1 Ipswich 0 +0.3
+0.1
Charlton 1 Blackburn 3 -0.3
-0.1
Derby 4 Watford 2 +0.0
Week of 5/3100.0*Premier League100.0*Average seed
Nottm Forest 1 Brighton 2 -7.3
-0.3
Blackburn 4 Wigan 3 -1.1
+0.1
Reading 2 Burnley 2 +0.3
-0.1
Points
Chance Will Win Championship