How are these numbers calculated?

Big Games

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

Week of 9/9100.0*Chance in playoffs100.0*Average seed
BPP 3 SHOCK 14 +24.9
+2.1
JUGS 15 RECK 4 -11.1
-0.5
Week of 9/16100.0*Chance in playoffs100.0*Average seed
SHOCK 14 RECK 4 In
+2.2
BPP 3 JUGS 15 -12.5
-0.6
TDS 18 HFH 7 -0.1
MM 19 ROW 6 +0.0
FNL 12 DP 1 -0.0
Games Above .500
Chance Will Make Playoffs