The % decrease in the number of scheduled passenger flights from February of 1999 to last February was 12.97%.
<h3><u>Percentages</u></h3>
Given that last February there were 617,624 scheduled passenger flights in a certain country, and in February of 1999 there were 709,639, to determine the % decrease in the number of scheduled passenger flights from February of 1999 to last February, the following calculation must be made:
- 709639 = 100
- 617624 = X
- 617624 x 100 / 709639 = X
- 61762400 / 709639 = X
- 87.03 = X
- 100 - 87.03 = X
- 12.97 = X
Therefore, the % decrease in the number of scheduled passenger flights from February of 1999 to last February was 12.97%.
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