The Fan Cost Index (FCI), compiled by Team Marketing Report, tracks the cost for a family of four to attend a professional sporting event. The FCI includes the prices of 2 average- price adult tickets, 2 average price child tickets, 4 small soft drinks, 2 small other drinks, 4 regular-size hot dogs, parking for 1 car, 2 game programs, and 2 least expensive, adult-size adjustable caps. The Average Ticket Price in the following tables represents the average cost of a ticket for each member of the family. The FCI for each Texas team in professional baseball, basketball, and football for 2006 and 2007 is shown in the following two tables. The Soft Drink column includes the price of 1 drink and its size in ounces. 2006 Fan Cost Index Avg. Team Ticket Price Soft Drink (size in oz) Other Drink Hot Dog Parking Program Cap FCI Rangers 15.81 6.00 2.50 8.00 5.00 10.00 134.24 2.75 (16) 4.00 (21) Astros 26.66 7.00 4.00 10.00 4.00 11.00 Spurs 45.88 3.75 (24) 6.25 4.00 10.00 5.00 18.00 283.02 Mavericks 54.24 2.75 (12) 4.00 4.00 20.00 6.00 15.00 Rockets 38.64 4.00 (22) 5.75 4.25 15.00 20.00 66.12 5.00 3.50 12.00 5.00 Cowboys Texans 3.50 (32) 3.25 (21) 10.00 344.48 56.97 6.00 5.00 15.00 5.00 20.00 (Compiled from www.teammarketing.com) 2007 Fan Cost Index Avg 2007 Fan Cost Index Team Avg. Ticket Price Soft Drink (size in oz) Other Drink Hot Dog Parking Program Cap FCI Rangers 16.47 3.00 (20) 6.50 2.75 8.00 5.00 11.00 141.88 Astros 26.90 7.00 4.25 10.00 4.00 12.00 196.60 4.00 (21) 2.50 (24) Spurs 51.24 6.00 4.00 10.00 6.00 21.00 306.96 Mavericks 60.58 4.00 4.00 20.00 6.00 2.75 (15) 4.00 (22) 15.00 339.32 Rockets 41.98 7.00 4.50 15.00 20.00 270.92 Cowboys 84.12 3.50 (32) 5.00 3.50 12.00 5.00 10.00 416.48 6.00 Texans 62.41 3.25 (21) (Compiled from www.teammarketing.com) 5.00 15.00 5.00 20.00 359.64 What is the percent change of a "other drink" for the Houston Rockets from 2006 to 2007? Round your answer to the nearest tenth