How are these numbers calculated?

Big Games

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

Week of 9/9100.0*Chance in playoffs100.0*Promotion Playoff100.0*Average seed
Scarborough 1 Durham 2 -5.2
-5.2
-0.4
Moncton 4 Binbrook 2 -3.4
-3.4
-0.1
Binbrook 1 Scarborough 5 +3.3
+3.3
+0.5
Moncton 3 North York 2 -1.6
-1.6
+0.1
North York 6 York 1 +1.1
+1.1
Hamilton 4 London 3 -0.5
-0.5
-0.1
York 2 Summerside 6 +0.4
+0.4
+0.1
Durham 7 Hamilton 3 +0.3
+0.3
+0.1
If winner is:HomeDrawAway
Week of 9/16100.0*Chance in playoffs100.0*Promotion Playoff100.0*Average seed
North York vs Scarborough-2.8-1.5+4.1
-2.8-1.5+4.1
-0.6-0.0+0.6
Summerside vs Moncton+2.6+0.2-2.8
+2.6+0.2-2.8
York vs Breithaupt-0.3+0.1+0.2
-0.3+0.1+0.2
-0.1+0.0+0.1
Hamilton vs Binbrook-0.1+0.0+0.1
-0.1+0.0+0.1
-0.1+0.0+0.1

What If

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

100100100100100100100100100100
If finish:Chance inPromotionChance will finish regular season at seed
TPW-D-LplayoffsPlayoff12345678910Count
715-0-080.4%80.4%802083,513
704-1-049.349.34951325,207
683-2-018.318.3188020532,427
4-0-131.431.431681399,141
673-1-17.47.478211001,301,252
662-3-02.32.32791810434,695
652-2-10.20.205837501,594,882
3-0-22.12.12692720797,547
642-1-2OutNo32501711,951,555
631-4-0OutNo4247110177,360
621-3-1OutNo19492930866,484
2-0-3OutNo13473540796,308
611-2-2OutNo635481101,595,973
0-5-0OutNo941418029,084
601-1-3OutNo116533011,302,910
0-4-1OutNo22053250177,164
590-3-2OutNo0644482435,270
580-2-3OutNo0127666531,986
561-0-4OutNo0544492399,173
540-1-4OutNo01272160324,945
530-0-5OutNo66826083,464
Total:4.1%4.1%4342722121014,140,340
Points
Chance Will Make Playoffs