TTM20162015201420132012
Restaurant-level operating margin13.1%12.7%14.9%15.1%16.8%18.2%
Restaurant-level operating margin growth (bps)4-223-12-169-14110
Operating margin-2.9%-3.7%0.8%3.8%2.0%5.7%
Operating margin growth (bps)-82-445-303174-361-15
Net profit margin-18.3%-18.2%1.1%2.9%1.8%3.9%
Net profit margin growth (bps)-1,733-1,929-182106-211-1,676

Notes:Restaurant-level operating margin represents restaurant-level operating income, which equals company-operated restaurants sales minus company-operated restaurant costs, which includes cost of goods sold (food, beverage and packaging), labor, occupancy and other operating costs, expressed as a % of company-operated restaurant sales