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 9/10100.0*Chance in playoffs100.0*Average seed
Ottawan vs Glaurung+10.8-10.8
+1.3-1.3
If winner is:HomeAway
Week of 9/17100.0*Chance in playoffs100.0*Average seed
Plax vs Ottawan-10.7+10.7
-1.3+1.3

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
1212-0In10001,429
1111-1In982012,999
1010-2In89110072,662
99-3In55359100240,771
88-499.9%1231321861000543,572
77-581.403102026221351000868,102
66-610.60002817232316820001,013,282
55-70.00015132226201030868,063
44-8Out001618323112542,168
33-9Out00193555242,144
22-10Out00118972,391
11-11Out029813,267
00-12Out01001,486
Total:37.5%66666666666666664,492,336
Games Above .500
Chance Will Make Playoffs

Lottery

Ye of little faith, already thinking about next year. Here are the big games and what ifs for draft seeds.

Big Games

If winner is:HomeAway
Week of 9/10100.0*Lottery seed
Ottawan vs Glaurung-2.5+2.5
If winner is:HomeAway
Week of 9/17100.0*Lottery seed
Plax vs Ottawan+2.5-2.5

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L1234567891011121314151617181920212223242526272829303132
1212-0991
1111-19640
1010-27422300
99-3273624103100
88-41715202117115210000
77-50001259131515141184200000
66-6000002471013131312107421000
55-7000024811141515139521000
44-80000025111721201571
33-90001310243627
22-1000032274
11-1100496
00-120100
Total:33333333333333333333333333333333