How are these numbers calculated?

Big Games

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

Week of 4/7100.0*Relegated100.0*Average seed
Whitby Town 2 Stafford 1 -22.5
+0.9
North Ferriby 1 Whitby Town 0 +14.5
-0.6
Chasetown 1 Hednesford Town 2 -4.2
+0.1
FC United 1 Buxton 2 +3.9
-0.2
Chorley 3 Chasetown 2 -2.4
+0.1
Frickley 2 Worksop Town 1 +1.6
Stocksbridge 1 Chester 2 -1.4
+0.1
Buxton 2 Matlock Town 1 +1.1
-0.1
Mickleover 1 Stocksbridge 3 -0.5
-0.0
Nantwich Town 0 Frickley 0 -0.4
+0.0
Buxton 3 Stafford 1 +0.2
-0.1
Stafford 1 Nantwich Town 1 -0.1
Week of 4/14100.0*Relegated100.0*Average seed
Whitby Town 3 Burscough 3 +11.3
-0.3
Mickleover 1 Chester 3 -3.6
+0.1
Bradford PA 3 Frickley 0 -2.7
+0.1
Chasetown 2 North Ferriby 2 -2.2
+0.0
Rushall Olympic 2 Frickley 2 -1.5
+0.0
Stocksbridge 1 Nantwich Town 5 -1.2
+0.1
Worksop Town 1 Stocksbridge 1 -0.5
+0.0
Week of 4/21100.0*Relegated100.0*Average seed
Buxton 0 Whitby Town 1 +0.3
Stocksbridge 1 Kendal Town 3 +0.3
Points
Chance Will Win Championship