Percents & Percent Change

One week, 72 people got a speeding ticket. The next week, only 36 people got a speeding ticket. What is the percent of change in the speeding tickets?

• Increase 50%

• Decrease 50%

• Increase 1%

• Decrease 1%

Find the PERCENT of change.
20 dogs to 5 dogs

• Decrease 15%

• Increase 15%

• Increase 75%

• Decrease 75%

Marine biologists who have been studying the great white shark population off the coast of California have discovered that the number of great white shark sightings in areas commonly frequented by beach-goers have increased dramatically over the last 10 years. In 2000, there were 17 sightings of great white sharks. In 2010, there were 32 sightings of great white sharks. Which is the best estimate of the percent change in the number of great white shark sightings?

• 15%

• 88%

• 47%

• 24%

Find the percentage for 3 out of 5.

• 35%

• 50%

• 60%

• 70%

Last week, you finished level 2 of a video game in 32 minutes. Today, you finished level 2 in 28 minutes. What is your percent of change?

• Increase 12.5%

• Decrease 12.5%

• Increase 4%

• Decrease 4%

A shirt originally costs $50. If the price increases by 20%, what is the new price of the shirt?

• $55

• $60

• $70

• $75

A laptop was sold for $800, which was a 25% decrease from its original price. What was the original price of the laptop?

• $1000

• $1050

• $950

• $1200

If a population of a town increases from 10,000 to 12,000, what is the percent increase in the population?

• 15%

• 20%

• 25%

• 30%

• 15%

• 20%

• 25%

• 30%

What is 30% of 150?

• 35

• 40

• 45

• 50