How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Chance in playoffs100.0*Average seed
CHIM 108.7 NICK 141.4 In
+0.5
DONF 106.1 HARD 103.5 -0.7
TEST 120.9 EDWA 152.2 -0.7
DAVE 104.2 DEEG 147.2 -0.6
+0.1
NIEW 103.8 BAXT 68.9 -0.5
-0.1
MOSS 101.4 PHXS 101.7 -0.2
-0.2
Week of 11/25100.0*Chance in playoffs100.0*Average seed
TEST 136 NICK 145.1 +0.4
NIEW 103 EDWA 112.8 +0.1
DAVE 120.9 PHXS 155.7 -0.0
Week of 12/2100.0*Chance in playoffs100.0*Average seed
NICK 113.9 NIEW 106.8 +0.3
If winner is:HomeTieAway
PHXS vs CHIM-0.5+0.5+0.5

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
110-0-0In505010,924,336
Total:In505010,924,336
Games Above .500
Chance Will Make Playoffs