Question

Last February there were 617,624 scheduled passenger flights in a certain country, and in February of 1999 there were 709,639. Use a percentage to express the relative change. Use the second given value as the reference value. The relative difference between February of 1999 and last February is -13%. What % decrease in the number of scheduled passenger flights from February of 1999 to last February?

Answer 1

The % decrease in the number of scheduled passenger flights from February of 1999 to last February was 12.97%.

Percentages

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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