How are these numbers calculated? (show)

Points Behind 1st  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusPenaltyTotalPurse
Camping World 300 presented by Chevrolet
Stater Bros. 300
Sam’s Town 300
Nicorette 300
Sharpie Mini 300
Pepsi 300
O'Reilly 300
Bashas' Supermarkets 200
Mexico 200
Aaron’s 312
Nationwide 250
Diamond Hill Plywood 200
Carquest Auto Parts 300
Dover 200
Federated Auto Parts 300
Meijer 300
Milwaukee 250
Camping World 200
Daytona 250
Chicagoland 300
Gateway 250
Kroger 2002018200103103$14,540
NAPA Auto Parts 200
Zippo 200 at The Glen
Carfax 250
Food City 2502328249949421,320
Camping World 300
Emerson Radio 250
RoadLoans.com 200
Kansas 300
Dollar General 300
Memphis 250
O'Reilly Challenge
Arizona.Travel 200
Ford 300
4490197+0-0=197$35,860