6.4 percent Increase and Decrease
Percent Increase = 
Percent Decrease = 
12 inches to 36 inches
Use the formula to solve the problems
2%
New Amount - Original Amount
Original amount - New Amount
20%
=
200%
?
Original Amount
Original Amount
.20%
Percent Increase = 
Percent Decrease = 
75 people to 25 people
Use the formula to solve the problems
Decrease
Increase
New Amount - Original Amount
Original amount - New Amount
Original Amount
Original Amount
Do not forget %Sign
Percent Increase = 
Percent Decrease = 
50 pounds to 35 pounds
Use the formula to solve the problems
New Amount - Original Amount
Increase
Original amount - New Amount
Decrease
Original Amount
Original Amount
Do not forget %Sign
Percent Increase = 
Percent Decrease = 
24 songs to 78 songs
Use the formula to solve the problems
Increase
Decrease
New Amount - Original Amount
Original amount - New Amount
Original Amount
Original Amount
Do not forget %Sign
Percent Increase = 
Percent Decrease = 
10 gallons to 24 gallons
Use the formula to solve the problems
Increase
Decrease
New Amount - Original Amount
Original amount - New Amount
Original Amount
Original Amount
Do not forget %Sign
Percent Increase = 
Percent Decrease = 
72 paper clips to 63 paper clips
Use the formula to solve the problems
Increase
Decrease
New Amount - Original Amount
Original amount - New Amount
Original Amount
Original Amount
Do not forget %Sign
Percent Increase = 
Percent Decrease = 
16 centimeters to 44.2 centimeters
Use the formula to solve the problems
Increase
Decrease
New Amount - Original Amount
Original amount - New Amount
Original Amount
Original Amount
Do not forget %Sign
Percent Increase = 
Percent Decrease = 
68 miles to 42.5 miles
Use the formula to solve the problems
Increase
Decrease
New Amount - Original Amount
Original amount - New Amount
Original Amount
Original Amount
Do not forget %Sign
Percent Increase = 
Percent Decrease = 
Round to the nearest tenth
Use the formula to solve the problems
Increase
Decrease
New Amount - Original Amount
Original amount - New Amount
5 cups to 8 cups
Original Amount
Original Amount
Do not forget %Sign
Percent Increase = 
Percent Decrease = 
Round to the nearest tenth
Use the formula to solve the problems
Increase
Decrease
New Amount - Original Amount
Original amount - New Amount
150 pounds to 135 pounds
Original Amount
Original Amount
Do not forget %Sign
Percent Increase = 
Percent Decrease = 
Round to the nearest tenth
Increase
Decrease
Use the formula to solve the problems
New Amount - Original Amount
Original amount - New Amount
14 dollars to 10 dollars
Original Amount
Original Amount
Do not forget %Sign
Percent Increase = 
Percent Decrease = 
Round to the nearest tenth
Increase
Decrease
Use the formula to solve the problems
New Amount - Original Amount
Original amount - New Amount
28 seconds to 23 seconds
Original Amount
Original Amount
Do not forget %Sign
Percent Increase = 
Percent Decrease = 
Round to the nearest tenth
Increase
Decrease
Use the formula to solve the problems
New Amount - Original Amount
Original amount - New Amount
3.2 miles to 2.4 miles
Original Amount
Original Amount
Do not forget %Sign
Percent Increase = 
Percent Decrease = 
Round to the nearest tenth
Increase
Decrease
Use the formula to solve the problems
New Amount - Original Amount
Original amount - New Amount
41 hours to 85 hours
Original Amount
Original Amount
Do not forget %Sign
Percent Increase = 
Percent Decrease = 
Round to the nearest tenth
Increase
Decrease
Use the formula to solve the problems
New Amount - Original Amount
Original amount - New Amount
55 employees to 66 employees
Original Amount
Original Amount
Do not forget %Sign
Percent Increase = 
Percent Decrease = 
Round to the nearest tenth
Increase
Decrease
Use the formula to solve the problems
New Amount - Original Amount
Original amount - New Amount
25 degrees to 10 degrees
Original Amount
Original Amount
Do not forget %Sign
Percent Increase = 
Percent Decrease = 
Round to the nearest tenth
Increase
Decrease
Use the formula to solve the problems
New Amount - Original Amount
Original amount - New Amount
Original Amount
Original Amount
$45 to $15
Do not forget %Sign
Percent Increase = 
Decrease
Increase
Percent Decrease = 
Round to the nearest tenth
Use the formula to solve the problems
New Amount - Original Amount
Original amount - New Amount
4200 inches to 4221 inches
Original Amount
Original Amount
Do not forget %Sign
Increase
Percent Increase = 
Percent Decrease = 
Round to the nearest tenth
Decrease
Use the formula to solve the problems
New Amount - Original Amount
Original amount - New Amount
14 dogs to 16 dogs
Original Amount
Original Amount
Do not forget %Sign
Percent Increase = 
Percent Decrease = 
Round to the nearest tenth
Increase
Decrease
Use the formula to solve the problems
New Amount - Original Amount
Original amount - New Amount
24 pounds to 15 pounds
Original Amount
Original Amount
Do not forget %Sign
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