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
Westside vs Marioto+10.8-10.8
+1.3-1.3
If winner is:HomeAway
Week of 9/17100.0*Chance in playoffs100.0*Average seed
Stags vs Westside-10.7+10.7
-1.3+1.3

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910111213141516Count
1212-0In10004,142
1111-1In982036,503
1010-2In891100201,616
99-3In55359100672,288
88-499.9%12313218610001,512,299
77-581.4031020262213510002,417,018
66-610.60002817232317820002,822,593
55-70.0000151322262010302,418,900
44-8Out00016183231121,513,069
33-9Out00193555671,845
22-10Out001189201,563
11-11Out029836,371
00-12Out01004,001
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
Westside vs Marioto-2.5+2.5
If winner is:HomeAway
Week of 9/17100.0*Lottery seed
Stags vs Westside+2.5-2.5

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L1234567891011121314151617181920212223242526272829303132
1212-01000
1111-196400
1010-27422300
99-32736241031000
88-41715202117115200000
77-50001259131515141184200000
66-60000124710121313121074210000
55-70000024811141515139521000
44-80000125111721201571
33-90001310243627
22-1000032275
11-110496
00-120100
Total:33333333333333333333333333333333