Calculating Percentage Decrease Concepts

The video tutorial explains how to calculate the percentage decrease in employee numbers from year 1 to year 2. It outlines the steps to determine the change, compare it to the original number, and convert it into a percentage. The tutorial also provides tips on simplifying the process for repeated calculations.

What is the initial number of employees in year 1?

• 2,480

• 1,975

• 3,000

• 2,000

What is the number of employees in year 2?

• 2,480

• 1,975

• 2,000

• 3,000

Why is it important to note a minus sign when calculating percentage decrease?

• To highlight the original number

• To remember it's a decrease, not an increase

• To make calculations easier

• To avoid errors in addition

What is the first step in calculating percentage decrease?

• Compare the change to the original number

• Calculate the change

• Note the decrease with a minus sign

• Convert the ratio to a percentage

What is the change in the number of employees from year 1 to year 2?

• -500

• 5050

• -505

• 505

How do you calculate the change in employee numbers?

• Divide the original number by the new number

• Multiply the new number by the original

• Subtract the original number from the new number

• Add the new number to the original

What is the ratio of the change to the original number?

• 0.2036

• -2.036

• 2.036

• -0.2036

How do you find the ratio of change to the original number?

• Multiply the change by the original number

• Divide the change by the original number

• Add the change to the original number

• Subtract the change from the original number

What should you do after calculating the change in numbers?

• Add it to the original number

• Multiply it by the new number

• Compare it to the original number

• Convert it to a percentage

What is the result of dividing the change by the original number?

• The original number

• The new number

• The ratio of change

• The percentage decrease