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
MAIN 113.6 RIP 82.2 +1.5
+0.8
GUAP 92.1 DEVI 97.3 +0.7
+0.1
GAS 79.8 BAXT 134.8 +0.6
-0.0
LI 139.1 BAG 153.1 -0.6
-0.1
Cock 108.9 MOSS 97.5 +0.4
-0.1
DONO 117.9 deep 68.5 -0.1
RYAN 58.9 PLK1 137.8 -0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
BAXT 108.1 MAIN 128.5 +1.0
deep 90.9 GUAP 92.6 +0.2
BAG 98.4 PLK1 149.5 -0.1
Week of 12/3100.0*Chance in playoffs100.0*Average seed
MAIN 114.9 MOSS 89.3 +1.0
GAS 84.4 DONO 128.1 -0.2
LI 108.3 BAXT 129.8 -0.2
PLK1 143 DEVI 100.3 -0.2
GUAP 103.1 Cock 119.1 -0.1
Games Above .500
Chance Will Make Playoffs