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

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
1212-0In10003,998
1111-1In982037,240
1010-2In891100201,372
99-3In55359100672,093
88-499.9%1231321861001,512,557
77-581.4031020262213510002,419,540
66-610.60002816232317820002,819,579
55-70.0000151322262010302,419,840
44-8Out0016183231121,512,031
33-9Out00183555672,059
22-10Out001189201,094
11-11Out029836,793
00-12Out01004,012
Total:37.5%666666666666666612,512,208
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
Glaurung vs Dalton-2.5+2.5

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L1234567891011121314151617181920212223242526272829303132
1212-0991
1111-196400
1010-275223000
99-32736241031000
88-41715202117115210000
77-50001259131515141184200000
66-60000124710121313121074210000
55-700000024811141515139521000
44-80000125111721201571
33-90001310243627
22-1000032274
11-110496
00-120100
Total:33333333333333333333333333333333