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
Hans Island 3 Expat FC 2 +0.2
Winnipeg 6 Hans Island 1 -0.1
Red Deer 1 Espanola 1 -0.0
Espanola 1 Nanaimo 1 -0.0
If winner is:HomeDrawAway
Week of 9/16100.0*Average seed
Regina vs Espanola+0.1+0.0-0.2
Medicine Hat vs Hans Island-0.1-0.0+0.2

What If

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

100100100100100100100100100100
If finish:Chance inPromotionChance will finish regular season at seed
TPW-D-LplayoffsPlayoff12345678910Count
345-0-0OutNo220473139,360
324-1-0OutNo022474183,926
314-0-1OutNo011890306,314
303-2-0OutNo2980460,688
293-1-1OutNo10001,521,962
283-0-2OutNo9911,253,288
2-3-0OutNo991569,970
272-2-1OutNo9732,810,186
262-1-2OutNo9374,600,368
252-0-3OutNo90102,505,978
1-3-1OutNo88122,278,480
241-2-2OutNo75255,558,894
231-1-3OutNo62386,004,808
1-4-0OutNo964348,802
221-0-4OutNo49512,426,177
0-3-2OutNo41592,201,662
210-2-3OutNo22783,541,604
0-5-0OutNo792184,090
200-1-4OutNo9912,840,329
0-4-1OutNo6337682,850
190-0-5OutNo100914,884
Total:OutNo000663341,134,620
Points
Chance Will Make Playoffs