average exchange rates at Suvarnbhumi airport compared to in town

[callippo]

how do the exchange rates in Suvarnbhumi airport, on average, compare with the rates a tourist is likely to get in town. How many more baht, will a hundred dollars, euros, or pounds would you likely get in a tourist area in the city compared to the airport.
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[Perota]

To get an idea of the difference yesterday at the airport for HKD 100 you would get THB 361. At a local bank downtown you would get THB 391. At SuperRich today I got THB 402.

Basically you get 10% less changing money at the airport compared with changing with SuperRich.