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
Doncaster 10 Newcastle 20 +2.9
-2.9
+0.9
Hunslet 56 Coventry 24 -0.4
+0.4
-0.0
Oxford 20 North Wales 52 -0.3
+0.3
Barrow 36 All Golds 6 +0.3
-0.3
+0.0
Whitehaven 28 Keighley 22 +0.3
-0.3
+0.0
Workington 46 London 16 -0.2
+0.2
-0.1
Doncaster 34 Oxford 16 -0.1
Toronto 64 York 22 +0.0
Week of 7/8100.0*Super 8100.0*League 1 Shield100.0*Average seed
London 30 Hunslet 16 +0.2
-0.2
Newcastle 68 Coventry 20 Yes
No
+0.2
North Wales 12 Whitehaven 12 Yes
No
Workington 30 Keighley 30 Yes
No
+0.1
South Wales 12 Doncaster 70 -0.1
York 68 Hemel 6 -0.0
Week of 7/15100.0*Super 8100.0*League 1 Shield100.0*Average seed
Hunslet 26 Newcastle 25 -0.6
York 34 Workington 0 -0.2
All Golds 4 Doncaster 42 -0.2
Games Above .500
Chance Will Win Championship