How are these numbers calculated?

Big Games

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

Week of 4/11100.0*Relegated100.0*Average seed
Trafford 2 Frickley 3 +4.4
-0.2
Witton 0 FC United 0 -3.6
+0.1
Stamford 1 Whitby 1 -1.7
+0.1
Stourbridge 2 Marine 2 -1.3
+0.1
Blyth 2 Nantwich 1 -0.1
+0.1
Ramsbottom 1 Halesowen 1 +0.1
Curzon 4 Kings Lynn 0 -0.1
+0.0
If winner is:HomeDrawAway
Belper vs Frickley-4.4+0.0+3.1
+0.2+0.0-0.2
Marine vs Curzon+4.4-1.0-1.6
-0.2+0.0+0.1
Blyth vs Matlock-0.8+0.6+1.2
+0.1-0.0-0.2
Ramsbottom vs Ashton+0.2+0.1-0.2
-0.1-0.0+0.1
Curzon vs Ramsbottom-0.2+0.1+0.2
+0.0-0.0-0.1
Nantwich vs Whitby+0.1+0.1-0.2
-0.1+0.0+0.1
If winner is:HomeDrawAway
Week of 4/18100.0*Relegated100.0*Average seed
Witton vs Blyth-22.4-1.3+10.5
+1.7-0.0-0.7
Ashton vs Witton+9.6-2.0-22.4
-0.7+0.0+1.8
FC United vs Stamford-2.2-0.6+9.5
+0.1+0.0-0.2
Ramsbottom vs Frickley-2.9+0.8+2.9
+0.1+0.0-0.1
Marine vs Belper+2.0-1.7-2.1
-0.1+0.1+0.1
Matlock vs Kings Lynn+1.0+0.5-1.7
-0.1+0.0+0.0
Ramsbottom vs Trafford+0.2+0.0-0.4
-0.1+0.0+0.1
Barwell vs Ramsbottom-0.2+0.1+0.2
+0.1-0.0-0.1
Rushall vs Nantwich-0.2+0.1+0.2
+0.1-0.0-0.2
Whitby vs Ashton-0.1-0.0+0.1
FC United vs Stourbridge+0.0-0.0-0.1
Stourbridge vs Buxton-0.1-0.0+0.1

What If

Chances based on how well the Witton finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titlePromoted123456789101112131415161718192021222324RelegatedCount
583-0-0NoNo3314120400No675,285,967
562-1-0NoNo318373210100No1,664,793,872
552-0-1NoNo031635321210No4,013,166,503
541-2-0NoNo00318383191No1,349,459,890
531-1-1NoNo0032041287000.4%6,443,705,377
521-0-2NoNo003214429302.97,652,739,052
0-3-0NoNo00424462510.7355,885,450
510-2-1NoNo005294916116.62,516,270,630
500-1-2NoNo0835461157.15,889,357,259
490-0-3NoNo06682694.04,561,110,656
Total:NoNo012471015191818523.7%35,121,774,656
Points
Chance Will Win Championship