When the Olympic Games were held near Mexico City in the summer of 1968, many athletes were concerned that the high elevation would affect their performance. If air pressure decreases exponentially by 0.4% for each 100 feet of altitude, by what percentage did the air pressure decrease in moving from Tokyo (the site of the 1964 Summer Olympics, at altitude 30 feet) to Mexico City (altitude 7347 feet)? (Round your answer to the nearest percent.) -26 X%

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