How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Chance in playoffs100.0*Average seed
GAS 79.8 BAXT 134.8 In
+0.6
GUAP 92.1 DEVI 97.3 In
Cock 108.9 MOSS 97.5 -0.1
RYAN 58.9 PLK1 137.8 -0.1
MAIN 113.6 RIP 82.2 -0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
BAXT 108.1 MAIN 128.5 -0.6
BAG 98.4 PLK1 149.5 -0.2
Week of 12/3100.0*Chance in playoffs100.0*Average seed
LI 108.3 BAXT 129.8 +0.9
MAIN 114.9 MOSS 89.3 -0.2
GAS 84.4 DONO 128.1 -0.2
PLK1 143 DEVI 100.3 -0.2
Games Above .500
Chance Will Make Playoffs