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
Moncton 3 North York 2 -3.1
-3.1
-0.3
North York 6 York 1 +2.2
+2.2
+0.5
York 2 Summerside 6 +0.4
+0.4
+0.1
Moncton 4 Binbrook 2 -0.3
-0.3
Scarborough 1 Durham 2 +0.2
+0.2
+0.1
Binbrook 1 Scarborough 5 -0.1
-0.1
-0.1
Durham 7 Hamilton 3 +0.1
+0.1
+0.1
Hamilton 4 London 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+0.9-0.2-0.3
+0.9-0.2-0.3
+0.8+0.0-0.4
Summerside vs Moncton+0.2+0.0-0.3
+0.2+0.0-0.3
York vs Breithaupt-0.1+0.1+0.2
Hamilton vs Binbrook-0.1+0.1+0.2

What If

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

100100100100100100100100100100
If finish:Chance inPromotionChance will finish regular season at seed
TPW-D-LplayoffsPlayoff12345678910Count
705-0-019.9%19.9%20801367,641
684-1-03.53.54861001,412,879
1-4-0OutNo335567598,882
663-2-00.10.105938302,174,802
0-5-0OutNo055539185,520
644-0-11.41.41732511,675,884
2-3-0OutNo22572001,629,787
623-1-10.00.0034531305,003,871
613-0-2OutNo15552912,783,883
602-2-1OutNo6434745,480,437
592-1-2OutNo123591605,904,762
581-3-1OutNo012622502,596,391
2-0-3OutNo09563512,039,109
571-2-2OutNo02425234,057,230
0-4-1OutNo0134614448,074
561-1-3OutNo002067122,697,475
0-3-2OutNo0127018899,579
550-2-3OutNo255420853,184
1-0-4OutNo076627629,348
540-1-4OutNo036630372,100
420-0-5OutNo1881266,982
Total:0.4%0.4%0172633204041,777,820
Points
Chance Will Make Playoffs