Increase and Decrease Percent

A pair of socks costs $2.50 originally. The price is reduced to $1.75. What is the percent change?

• 43% Increase

• 30% Increase

• 43% Decrease

• 43% Increase

On Friday the store had 35 loaves of bread. On Saturday they had 12 loaves of bread. What was the percent change?

• 66% decrease

• 191% increase

• 66% increase

• 191% decrease

One day there were 24 students in class. The next day there were 19. What was the percent change in the number of students in class from the first day to the second day?

• 126% decrease

• 26% decrease

• 79% decrease

• 21% decrease

When comparing the increase in a quantity,we first find the difference between the original value and the increased value.

• Decrease percent

• Increase percent

• None of them

Formula of increase percent is

• %increase=Increased value - Original value / original value × 100

• %increase=Increased value / original value

• %increase = Increased value / original value × 100

In the first marking period Johnny got 81% in math class. In the second marking period he got 96% in math class. What was his percent change?

• 17% Increase

• 16% Increase

• 19% Increase

• 18% Increase

A house is listed for $230,000. After a year, it's marked down to $200,000. What was the percent change?

• 115% Decrease

• 15% Increase

• 15% Decrease

• 13% Decrease

Formula of Decrease percent

• % Decrease= Original value- Decreased value/Original value

• % Decrease= Original value- Decreased value× 100

• % Decrease= Original value- Decreased value/Original value × 100