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