How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

ThursdayNone
Friday100.0*Chance in playoffs100.0*Average seed
W-B/Scranton 1 Hershey 2 +22.2
+0.8
Springfield 7 Bridgeport 0 +21.2
+0.4
Lehigh Valley 5 Providence 4 (ot)-0.2
+0.1
Saturday100.0*Chance in playoffs100.0*Average seed
Hershey 3 Providence 0 +1.0
Points
Chance Will Make Playoffs