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
North York 6 York 1 -10.7
-10.7
-0.4
Moncton 4 Binbrook 2 -8.1
-8.1
-0.1
York 2 Summerside 6 -6.0
-6.0
-0.4
Moncton 3 North York 2 -5.2
-5.2
+0.0
Scarborough 1 Durham 2 +1.7
+1.7
+0.1
Hamilton 4 London 3 -0.7
-0.7
-0.1
Binbrook 1 Scarborough 5 -0.6
-0.6
-0.1
Durham 7 Hamilton 3 +0.4
+0.4
+0.1
Summerside 1 Breithaupt 0 -0.1
-0.1
If winner is:HomeDrawAway
Week of 9/16100.0*Chance in playoffs100.0*Promotion Playoff100.0*Average seed
York vs Breithaupt+3.7-1.6-2.4
+3.7-1.6-2.4
+0.5-0.1-0.4
Summerside vs Moncton+2.1+0.4-2.4
+2.1+0.4-2.4
North York vs Scarborough+0.1+0.2-0.3
+0.1+0.2-0.3
-0.0+0.1-0.0
Hamilton vs Binbrook-0.1+0.0+0.0
-0.1+0.0+0.0
-0.1+0.0+0.1

What If

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

100100100100100100100100100100
If finish:Chance inPromotionChance will finish regular season at seed
TPW-D-LplayoffsPlayoff12345678910Count
725-0-079.3%79.3%792183,413
704-1-048.248.248510325,474
694-0-129.229.2296820398,933
683-2-013.613.6148060529,566
673-1-16.26.267617001,300,456
663-0-21.51.52613530797,370
652-3-00.30.30712810433,225
642-2-1OutNo4646801,597,059
0-2-3OutNo121717531,810
632-1-2OutNo23532211,953,805
1-4-0OutNo3053161177,125
0-5-0OutNo4335013029,097
621-3-1OutNo12493540868,291
2-0-3OutNo9454070798,479
0-4-1OutNo11652301178,095
611-2-2OutNo331511501,595,266
0-3-2OutNo0540522433,924
601-1-3OutNo013513511,301,444
561-0-4OutNo0337573398,366
540-1-4OutNo0875170325,799
530-0-5OutNo27127083,343
Total:3.6%3.6%4292923141014,140,340
Points
Chance Will Make Playoffs