Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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Percent Change - Problem 2

Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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To find a percent change, in this case a percent decrease, we need to do the difference in the two values divided by the original number. Here we see that the population is changing by a certain percent each year, and we can use that pattern to predict the approximate size of the population after a certain number of years into the future.

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