How are these numbers calculated? (show)

Points Behind 1st  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusPenaltyTotalPurse
Chevy Silverado HD 250
San Bernardino County 200
American Commercial Lines 200
Kroger 250
O'Reilly Auto Parts 250
Quaker Steak and Lube 200
NASCAR Craftsman Truck Series Ohio 250
AAA Insurance 200
Sam’s Town 400
Michigan 200
Toyota Tundra Milwaukee 200
O'Reilly 200
Built Ford Tough 225
Power Stroke Diesel 200829201142142$9,650
Toyota Tundra 200
O'Reilly 2001432001211218,450
Missouri/Illinois Dodge Dealers Ram Tough 2005616015515517,925
New Hampshire 200
Smith’s Las Vegas 3501291461271279,275
Mountain Dew 2509289413813814,950
Kroger 20036196555555,895
EasyCare Vehicle Service Contracts 20018241301091098,700
Silverado 350K30106973737,900
Casino Arizona 15034135561617,450
Ford 20091813713813813,650
1,25701,119+0-0=1,119$103,845