How are these numbers calculated?

Big Games

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

Week of 8/29100.0*Chance in playoffs100.0*First-round bye100.0*Average seed
Louisville 0 Pittsburgh 1 +18.0
+0.2
+0.7
Harrisburg 6 Montreal 0 -3.7
-0.1
New York 2 Wilmington 0 -3.3
-0.1
Toronto 2 Charlotte 2 +1.0
+0.0
Richmond 0 Charleston 2 +0.4
+0.0
If winner is:HomeTieAway
Wilmington vs Charlotte+4.4+1.3-5.2
+0.1+0.0-0.2
Louisville vs Harrisburg+3.4+1.1-4.1
No+0.0+0.2
+0.1+0.0-0.1
If winner is:HomeTieAway
Week of 9/5100.0*Chance in playoffs100.0*First-round bye100.0*Average seed
Pittsburgh vs Charleston+22.2-5.5-18.8
+0.4-0.2No
+1.0-0.3-0.8
Richmond vs Rochester-5.7+1.4+4.8
-0.2+0.1+0.2
Charlotte vs Toronto-5.2+1.3+4.4
-0.2+0.0+0.1
Charlotte vs Wilmington-5.2+1.3+4.4
-0.2+0.0+0.1
Harrisburg vs St Louis-4.1+1.1+3.4
-0.1+0.0+0.1
Montreal vs New York+2.0-0.2-1.9
+0.0+0.0-0.1
+0.1+0.0-0.1
New York vs Louisville-1.9-0.2+2.0
+0.2+0.1No
-0.1+0.0+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inFirst-roundChance will finish regular season at seed
TPW-L-Tplayoffsbye123456789101112Count
474-0-0In10.9%1184506,245,589
453-0-1100.0%0.71732430015,359,469
443-1-099.9No37451720024,858,876
432-0-299.3No23412871014,241,938
422-1-194.2No52640235046,078,242
412-2-078.9No18313918337,280,709
1-0-382.6No1934391625,867,442
401-1-256.7No02163834928,473,243
391-2-128.3No00424462646,085,041
0-0-429.7No04264723905,143
381-3-09.7No09405124,860,296
0-1-310.3No01042485,868,721
370-2-23.2No03277014,240,147
360-3-10.6No1138715,360,685
350-4-0OutNo39606,246,939
Total:58.6%0.3%01113161921210291,972,480
Points
Chance Will Make Playoffs