How are these numbers calculated?

Big Games

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

Week of 9/10100.0*Chance in playoffs100.0*Average seed
Garrett 101.58 AJ 68.34 +10.7
+0.9
If winner is:HomeAway
Week of 9/17100.0*Chance in playoffs100.0*Average seed
Garrett vs Bill+10.7-10.7
+0.9-0.9

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
1312-0In1002,451
1211-1In100016,033
1110-2In964088,178
109-3In801910292,690
98-4100.0%3944152000658,440
87-599.9523362691001,054,470
76-684.1016193128133001,231,210
65-714.1002122631217101,055,885
54-80.000172437256658,411
43-9Out02134243292,432
32-10Out01158488,256
21-11Out029816,202
10-12Out1002,486
Total:60.4%12111010998876655,457,144
Games Above .500
Chance Will Make Playoffs