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 -5.5
-5.5
-0.4
North York 6 York 1 +4.9
+4.9
+0.5
Moncton 4 Binbrook 2 -1.8
-1.8
-0.1
York 2 Summerside 6 +0.8
+0.8
+0.1
Scarborough 1 Durham 2 +0.4
+0.4
+0.1
Binbrook 1 Scarborough 5 -0.3
-0.3
-0.1
Durham 7 Hamilton 3 +0.2
+0.2
+0.1
Hamilton 4 London 3 -0.2
-0.2
-0.1
If winner is:HomeDrawAway
Week of 9/16100.0*Chance in playoffs100.0*Promotion Playoff100.0*Average seed
North York vs Scarborough+1.1-0.5-0.7
+1.1-0.5-0.7
+0.6-0.1-0.5
Summerside vs Moncton+0.5+0.1-0.7
+0.5+0.1-0.7
York vs Breithaupt-0.1+0.0+0.1
-0.1+0.0+0.1
-0.2+0.0+0.1
Hamilton vs Binbrook-0.1+0.0+0.1

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
705-0-039.4%39.4%3960083,309
684-1-012.112.1128260324,662
1-4-0OutNo846405176,321
663-2-01.51.51722610530,774
0-5-0OutNo0115335128,927
642-3-0OutNo3851100434,855
4-0-17.47.4781120398,011
623-1-10.10.105441501,306,956
613-0-2OutNo3452130797,327
602-2-1OutNo17522921,594,663
592-1-2OutNo639461001,951,242
581-3-1OutNo22555190868,084
2-0-3OutNo12254230796,723
571-2-2OutNo08484311,594,148
0-4-1OutNo0338572177,394
561-1-3OutNo02316251,303,700
0-3-2OutNo017739432,846
550-2-3OutNo570250532,560
1-0-4OutNo0157213399,012
540-1-4OutNo157420325,352
420-0-5OutNo3562383,474
Total:0.8%0.8%1182528244014,140,340
Points
Chance Will Make Playoffs