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 wins title100.0*Montagliani Trophy100.0*Demotion Playoff100.0*Average seed
Halifax 0 Hobema 6 +2.2
+2.2
-17.4
+0.5
Beaverton 3 Saskatoon 0 -0.7
-0.7
+0.1
-0.1
Chatham 2 Porcupine 2 +0.3
+0.3
-0.3
+0.0
Farmers 2 Sherbrooke 1 +1.2
If winner is:HomeDrawAway
Week of 9/16100.0*Chance wins title100.0*Montagliani Trophy100.0*Demotion Playoff100.0*Average seed
Hobema vs Sherbrooke+3.5-1.3-2.4
+3.5-1.3-2.4
-4.4-0.4+4.7
+0.4-0.1-0.3
Porcupine vs Halifax-1.5+0.0+1.5
-1.5+0.0+1.5
-1.8-1.0+2.6
Beaverton vs Chatham-1.5+0.1+1.4
-1.5+0.1+1.4
-1.1-0.2+1.3
+0.1+0.0-0.1
Saskatoon vs Farmers-1.5-0.8+2.2

What If

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

100100100100100100100100
If finish:ChanceMontaglianiChance will finish season at seedDemotion
TPW-D-Lwins titleTrophy12345678PlayoffCount
794-0-069.7%69.7%70300No333,434
773-1-026.026.02660140No1,066,838
763-0-15.65.6650440No1,310,165
752-2-01.21.2134623No1,308,799
742-1-10.10.10147610No3,204,243
732-0-2NoNo37918No1,960,819
0-3-1NoNo3260707.4%710,918
1-3-0NoNo2791900.0710,203
721-2-1NoNo623710.82,608,584
0-2-2NoNo166618118.51,304,628
711-1-2NoNo504911.23,201,659
701-0-3NoNo3360707.01,306,657
680-1-3NoNo660322033.51,065,587
0-4-0NoNo504911.4146,201
670-0-4NoNo1395010059.7333,601
Total:2.9%2.9%31250315004.9%20,572,336
Points
Chance Will Win Championship