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
Workington 46 London 16 -14.3
+14.3
-0.7
Oxford 20 North Wales 52 -1.0
+1.0
-0.1
Barrow 36 All Golds 6 +0.8
-0.8
+0.1
Whitehaven 28 Keighley 22 +0.5
-0.5
+0.0
Hunslet 56 Coventry 24 -0.4
+0.4
-0.1
Doncaster 10 Newcastle 20 -0.1
+0.1
Doncaster 34 Oxford 16 +0.1
Week of 7/8100.0*Super 8100.0*League 1 Shield100.0*Average seed
Workington 30 Keighley 30 -1.0
+1.0
-0.1
London 30 Hunslet 16 +0.6
-0.6
+0.7
North Wales 12 Whitehaven 12 -0.3
+0.3
-0.1
Toronto 62 All Golds 10 +0.1
-0.1
+0.0
Week of 7/15100.0*Super 8100.0*League 1 Shield100.0*Average seed
Coventry 13 North Wales 36 No
Yes
-0.1
Hunslet 26 Newcastle 25 No
Yes
-0.5
Keighley 92 Oxford 6 No
Yes
All Golds 4 Doncaster 42 +0.1
-0.1
+0.3
London 36 South Wales 16 +0.2
Games Above .500
Chance Will Win Championship