How are these numbers calculated?

Big Games

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

Week of 1/5100.0*Chance in playoffs100.0*Average seed
Choke Pokers 4 Plat Chat 0 +32.1
+1.6
Blackhole Esports 3 Body Shot Bandits 2 (ot)*+0.1
Team Osiris 4 Wasted Potential 0 -0.4

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Games Above .500
Chance Will Make Playoffs