TTM20162015201420132012
Restaurant-level operating margin12.8%14.0%16.2%18.0%18.4%18.8%
Restaurant-level operating margin growth (bps)-296-226-172-44-37101
Operating margin-12.8%-12.4%-3.0%0.8%3.2%5.6%
Operating margin growth (bps)-948-940-380-235-241303
Net profit margin-13.3%-12.8%-3.1%0.6%2.8%5.0%
Net profit margin growth (bps)-981-962-373-217-222282

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