TTM20162015201420132012
Restaurant-level operating margin13.3%12.8%16.2%19.1%20.7%21.2%
Restaurant-level operating margin growth (bps)-26-341-288-164-51-20
Operating margin-16.5%-13.9%-4.6%4.7%4.1%5.3%
Operating margin growth (bps)-1,029-923-93162-12865
Net profit margin-19.1%-14.7%-3.0%2.8%1.9%1.7%
Net profit margin growth (bps)-1,266-1,168-585931822

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