How are these numbers calculated?

Big Games

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

Week of 9/22100.0*Chance in playoffs100.0*Average seed
Rochelle 76.8 YNWA 87.9 -11.6
-0.9
Murda 100.4 Studz 95.4 +0.3
UtR 97 Paz 68.3 -0.1
BnY 89.9 ThunderBuds 91.2 -0.1
SBBD 89.5 LoJo 93.6 -0.1
If winner is:HomeAway
Week of 9/29100.0*Chance in playoffs100.0*Average seed
BK vs Rochelle-12.0+12.0
-0.9+0.9
YNWA vs ThunderBuds+0.5-0.5
BnY vs UtR+0.3-0.3
Brownskins vs SBBD+0.3-0.3
Murda vs Paz-0.2+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
1110-0In9465,038
109-1In76231042,173
98-2In354617200189,871
87-399.9%52337268100504,835
76-485.901620322712200886,345
65-515.7003132832195101,064,043
54-60.000192737224885,413
43-7Out002154438507,170
32-8Out011980189,109
21-9Out039742,325
10-10Out1005,158
Total:38.6%3567891010101111104,321,480
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

Week of 9/22100.0*Lottery seed
Rochelle 76.8 YNWA 87.9 +0.9
If winner is:HomeAway
Week of 9/29100.0*Lottery seed
BK vs Rochelle+0.9-0.9

What If

100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L123456789101112
1110-0946
109-1762310
98-2354617200
87-352337268100
76-401620322712200
65-500313283219510
54-600192737224
43-7002154438
32-8011980
21-90397
10-10100
Total:356789101010111110