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
West Van VI vs Brn Windies I+8.6-9.1
+6.5-6.8
+0.5-0.6
Ind-Can II vs WC Tamils IV-0.1+0.1
-0.2+0.2
Windies III vs West Van VII+0.1-0.1
+0.3-0.3
If winner is:HomeAway
Week of 5/3100.0*Chance in playoffs100.0*Promoted100.0*Average seed
Windies III vs West Van VI-8.6+9.1
-6.6+7.0
-0.5+0.6
West Van VII vs WC Tamils IV-0.1+0.1
-0.2+0.2
Brn Windies I vs Ind-Can II+0.1-0.1
+0.3-0.4

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-LplayoffsPromoted123456789Count
68-72InYes10028,935*
6416-2InYes100059,262
6015-3InYes1000300,113
5614-4In100.0%97301,084,132
5213-5In99.78713002,920,361
4812-6100.0%95.258375006,086,367
4411-799.866.618482950010,036,055
4010-890.013.1112413691013,282,417
369-927.00.1032445254014,197,272
328-100.5No019364113112,306,585
287-110.0No0042848198,611,626
246-12OutNo00537584,835,841
205-13OutNo0013872,146,832
164-14OutNo0397738,479
123-15OutNo0100188,802
82-16OutNo010034,142
0-4OutNo10025,261*
Total:47.3%24.2%12121211111111101076,882,482

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs