TTM20162015201420132012
Restaurant-level operating margin12.6%13.5%15.9%15.9%15.8%16.7%
Restaurant-level operating margin growth (bps)-293-24777-93125
Operating margin-2.6%-0.6%2.7%0.8%1.1%0.7%
Operating margin growth (bps)-615-328188-2941147
Net profit margin-6.4%-3.1%-0.2%-2.2%-2.6%-3.4%
Net profit margin growth (bps)-798-2972073282154

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