Converting Percent Increase and Decrease to Decimals

When converting percents to decimals, move the decimal two places:

• Two places to the right.

• Two places down.

• Three places to the right.

• Two places to the left.

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%

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%

Tom's weekly salary increased from $240 to $288. What was the percent of change?

• 120%

• 20%

• 16.6%

• 15%

Does this question represent a percent INCREASE or a percent DECREASE?

• Increase

• Decrease

Original: 35

New: 70

• 100% increase

• 50% increase

• 200% decrease

• 100% decrease

Original: $350

New: $400

• 14% increase

• 25% increase

• 50% increase

• .14% increase

Original: 80

New: 52

• 35% decrease

• 35% increase

• 28% decrease

• 28% increase