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 - Concept

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, whether it be increase or decrease, we do the difference between the old and new values divided by the old. Move the decimal place two spots to the right to turn the decimal into a percent. If this change is positive, then you have a percent increase, and if it is negative, then you have a percent decrease (although you can tell that from the beginning by looking at whether the values are going up or down.)

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