How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

If winner is:HomeAway
Week of 4/26100.0*Chance in playoffs100.0*Promoted100.0*Average seed
Windies III vs West Van VII-9.5+9.5
-7.9+7.9
-0.6+0.6
West Van VI vs Brn Windies I-0.1+0.1
-0.2+0.2
Ind-Can II vs WC Tamils IV+0.1-0.1
-0.1+0.1
If winner is:HomeAway
Week of 5/3100.0*Chance in playoffs100.0*Promoted100.0*Average seed
West Van VII vs WC Tamils IV+9.0-9.0
+7.6-7.6
+0.5-0.5
Windies III vs West Van VI+0.1-0.1
+0.1-0.1
Brn Windies I vs Ind-Can II+0.3-0.3

What If

Chances based on how well the West Van VII finish out the regular season.   Explain

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-LplayoffsPromoted123456789Count
68-72InYes1009,530*
6416-2InYes100015,788
6015-3InYes100084,888
5614-4In100.0%9910317,771
5213-5In100.09360892,053
4812-6In98.77524101,929,280
4411-7100.0%86.0374813103,302,234
4010-898.537.853344162004,543,587
369-963.31.5011744316005,049,205
328-104.70.0005284520204,540,788
287-110.0No0114433563,302,804
246-12OutNo011248401,928,068
205-13OutNo012277892,511
164-14OutNo0694316,727
123-15OutNo019984,688
82-16OutNo010016,116
0-4OutNo1009,448*
Total:53.0%28.8%151412121110109827,235,486

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs