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 9/14100.0*Chance in playoffs100.0*Average seed
Marando vs Nelson-10.4+10.4
-0.7+0.7
If winner is:HomeAway
Week of 9/21100.0*Chance in playoffs100.0*Average seed
McDonough vs Nelson-10.4+10.4
-0.7+0.7

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
1313-0In10010,502
1212-1In100044,679
1111-2In9820269,805
1010-3In861400985,583
99-4100.0%50419102,465,607
88-597.693438162004,445,363
77-651.903163432142005,920,136
66-72.100214323416305,920,474
55-80.000216383494,443,813
44-9Out01941502,469,372
33-10Out001486990,566
22-11Out0298269,373
11-12Out010044,982
00-13Out10010,485
Total:40.0%1010101010101010101028,290,740
Games Above .500
Chance Will Make Playoffs