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*Average seed
Scarborough 1 Durham 2 +0.2
Durham 7 Hamilton 3 +0.2
Hamilton 4 London 3 +0.1
Breithaupt 0 London 0 +0.1
If winner is:HomeDrawAway
Week of 9/16100.0*Average seed
London vs Durham-0.2-0.1+0.2
Hamilton vs Binbrook-0.1+0.1+0.2

What If

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

100100100100100100100100100100
If finish:Chance inPromotionChance will finish regular season at seed
TPW-D-LplayoffsPlayoff12345678910Count
595-0-0OutNo33051161388,511
574-1-0OutNo033152131,591,145
564-0-1OutNo001255322,014,814
553-2-0OutNo0443532,482,360
543-1-1OutNo0127725,801,535
533-0-2OutNo0138703,075,314
2-3-0OutNo013871,821,709
522-2-1OutNo69405,946,276
512-1-2OutNo29715,866,387
1-4-0OutNo2980635,893
501-3-1OutNo09822,598,107
2-0-3OutNo09551,718,978
491-2-2OutNo9463,589,000
0-5-0OutNo96485,446
481-1-3OutNo82181,950,034
0-4-1OutNo9010409,963
470-3-2OutNo7822711,276
1-0-4OutNo6733335,693
460-2-3OutNo5941545,023
450-1-4OutNo3565179,072
440-0-5OutNo168431,284
Total:OutNo0031480341,777,820
Points
Chance Will Make Playoffs