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Percent Change

Percent Change. Percent Change. A percentage change is a way to express a change between the old value and the new one (which is the extent to which something gains or loses value.) Percent changes are useful to help people understand changes in a value over time. . PERCENT CHANGE.

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Percent Change

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  1. Percent Change

  2. Percent Change • A percentage change is a way to express a change between the old value and the new one (which is the extent to which something gains or loses value.) • Percent changes are useful to help people understand changes in a value over time.

  3. PERCENT CHANGE PERCENT INCREASE PERCENT DECREASE WHEN THE VALUE OF AN ITEM GOES DOWN • WHEN THE VALUEE OF AN ITEM GOES UP

  4. PERCENT BOX

  5. EXAMPLE Andrew works in a supermarket for $10.00 per hour. He now gets paid $12.00 per hour. Is this a percent increase or decrease?

  6. INCREASE!

  7. what is her percent increase in pay?

  8. EXAMPLE The staff at a company went from 40 to 30 employees. Is this a percent increase or decrease?

  9. DECREASE!

  10. What is the percent decrease in staff?

  11. Andrew works in a supermarket for $12.00 per hour. He was given a 4.5% raise due to his hard work and coming to work on time. What is his new pay?

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