Understanding Percent Change

The video tutorial explains how to calculate the percent change in price using a formula. It uses an example of shoes marked down from eighty to sixty-five dollars. The formula involves subtracting the beginning amount from the ending amount, dividing by the beginning amount, and multiplying by 100 to get a percentage. The tutorial walks through the calculation, resulting in a negative 18.75% change, indicating a decrease in price. The video emphasizes understanding the difference between positive and negative percent changes.

What is the original price of the shoes before the discount?

• $65

• $60

• $85

• $80

Which formula is used to calculate the percent change?

• (beginning amount - ending amount) / ending amount * 100%

• (beginning amount + ending amount) / ending amount * 100%

• (ending amount - beginning amount) / beginning amount * 100%

• (ending amount + beginning amount) / beginning amount * 100%

What is the result of subtracting the beginning amount from the ending amount in this problem?

• -15

• 15

• -18.75

• 18.75

What is the percent change in the price of the shoes?

• 18.75%

• -15%

• -18.75%

• 15%

What does a negative percent change indicate?

• A decrease in price

• A stable price

• An increase in price

• No change in price

If the percent change was positive, what would it represent?

• An increase in price

• A decrease in price

• A stable price

• No change in price

What is the final price of the shoes after the discount?

• $80

• $65

• $85

• $60