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Percent of Change

Percent of Change. Percent Increase Percent Decrease. To calculate the percent in which an item’s cost changes, use the following formulas. Percent of Increase. New amount – Original amount Original amount. Percent of Decrease. Original amount – New amount Original amount.

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Percent of Change

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  1. Percent of Change Percent Increase Percent Decrease

  2. To calculate the percent in which an item’s cost changes, use the following formulas.

  3. Percent of Increase New amount – Original amount Original amount

  4. Percent of Decrease Original amount – New amount Original amount

  5. The sale of Jetta sneakers fell from $3.5 million to $3 million. Find the percent decrease to the nearest whole percent.

  6. The sale of Kids sneakers rose from $5 million to $5.6 million. Find the percent increase to the nearest whole percent.

  7. Janet bought her new microwave at Rocklane’s while Matthew bought his at Stanville’s. Janet paid $300 while Matthew only paid $260 for the same model. What is Matthew’s percentage of savings?

  8. Lane bought a new microwave at Rocklane’s while Ginger bought her’s at Stanville’s. Lane paid $400 while Ginger only paid $330 for the same model. What is Ginger’s percentage of savings?

  9. The wholesale price for an item that regularly sells for $18.90 is $17.50. what is the percentage markup for this item?

  10. Find the percent of change, rounded to the nearest whole percent. Describe the change. $5.65/h to $2.80/h. A Decrease Is this an increase or a decrease? Round it off

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