Percent 4 - Percent Change

What is the percent of change from 5 to 8?
Set a proportion frist.


First ratio  $\frac{x}{100}$  

Second ratio Difference/Original,  $\frac{3}{5}$  
 $\frac{x}{100}=\frac{3}{5}$  

• 300/5 = 60% increase

• 100/3 = 33% decrease

What is the percent of change from 12 to 18?
First Ratio
 $\frac{x}{100}$  
Second Ratio; Difference/Original

 $\frac{6}{12}$  
Cross Multiply:  $\frac{x}{100}=\frac{6}{12}$  

• 600/12 = 50% Increase

• 100/6 = 6% Decrease

What is the percent of change from $24 to $20?
First Ratio:
 $\frac{x}{100}$  
Second Ratio: Difference/Original
 $\frac{4}{24}$  , then Cross Multiply:  $\frac{x}{100}=\frac{4}{20}$  

• 400/20 = 20% Increase

• 400/20 = 20% Decrease

What is the percent of change from 73 to 70?
First Ratio: 
 $\frac{x}{100}$  
Second Ratio: Difference/Original
 $\frac{3}{73}$  
Cross Multiply:  $\frac{x}{100}=\frac{3}{73}$  

• 300/73 = 4% Decrease

• 300/73 = 4% Increase

What is the percent change from 200 to 400?

• 100%

• 50%

• 200%

What is the percent change from 10 to 20?

• 100% Increase

• 200% Decrease

What is the percent change from 25 to 50?

• 200% Decrease

• 100% Increase

What is the second ratio for solving the percent change from 16 to 20?

• 4/16

• 4/20

What is the second ratio in the proportion for solving percent change from 56 to 62?

• 6/62

• 6/56

What is the difference value in calculating the percent change from 75 to 52?

• 23

• 75

• 52