How are these numbers calculated?

Big Games

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

Week of 7/1100.0*Super 8100.0*League 1 Shield100.0*Average seed
Oxford 20 North Wales 52 -1.9
+1.9
-0.6
Hunslet 56 Coventry 24 -0.3
+0.3
-0.0
Barrow 36 All Golds 6 +0.2
-0.2
+0.0
Whitehaven 28 Keighley 22 +0.2
-0.2
Workington 46 London 16 +0.1
-0.1
+0.0
Doncaster 34 Oxford 16 -0.1
+0.1
-0.1
Week of 7/8100.0*Super 8100.0*League 1 Shield100.0*Average seed
Barrow 80 Oxford 10 No
Yes
-0.0
Newcastle 68 Coventry 20 +0.0
Week of 7/15None
Games Above .500
Chance Will Win Championship