How are these numbers calculated?

Big Games

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

Week of 4/24100.0*Promoted100.0*Average seed
Millwall 2 Leyton Orient 1 +14.3
+0.5
Leeds 4 Milton Keynes 1 -9.0
-0.2
Exeter City 1 Charlton 1 +1.0
+0.1
Wycombe 2 Swindon 2 +0.6
+0.0
Stockport 0 Huddersfield 6 -0.1
-0.1
Week of 5/1100.0*Promoted100.0*Average seed
Tranmere 2 Millwall 0 -15.1
-0.4
Charlton 1 Leeds 0 +13.0
+0.1
Swindon 3 Brentford 2 -2.9
-0.1
Huddersfield 2 Colchester 1 -0.1
Week of 5/8100.0*Promoted100.0*Average seed
Millwall 3 Swindon 2 +26.8
+1.1
Leeds 2 Bristol Rovers 1 -20.4
-0.3
Oldham 0 Charlton 2 -2.8
-0.4
Exeter City 2 Huddersfield 1 +1.7
+0.2
Points
Chance Will Win Championship