How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 10/5100.0*Average seed
Sara 72.6 Ryan 57.1 -0.7
Andrew 86.9 Derek 67.8 +0.0
If winner is:HomeAway
Week of 10/12100.0*Average seed
Jonathan vs Ryan-0.6+0.6
Jake vs Josh-0.1+0.0
Brandon vs Derek+0.0-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
98-0Out9646,637
87-1Out70292058,965
76-2Out215324300403,236
65-3Out113393611101,487,424
54-4Out004214228503,273,790
43-5Out01103940104,453,483
32-6Out00742503,674,747
21-7Out013871,684,166
10-8Out298334,016
Total:Out13581319242715,376,464
Games Above .500
Chance Will Make Playoffs