Percent of Change

Front

What is the definition of Percent of Change?

Back

Percent of Change is a way to express how much a quantity has increased or decreased in relation to its original amount, calculated as (New Value - Original Value) / Original Value x 100.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 5% becomes 0.05.

Front

What is the formula for calculating Percent of Change?

Back

Percent of Change = (New Value - Original Value) / Original Value x 100.

Front

If the original value is 50 and the new value is 60, what is the percent of change?

Back

Increase 20%.

Front

If the original value is 100 and the new value is 80, what is the percent of change?

Back

Decrease 20%.

Front

What does an increase in percent of change indicate?

Back

An increase in percent of change indicates that the new value is greater than the original value.

Front

What does a decrease in percent of change indicate?

Back

A decrease in percent of change indicates that the new value is less than the original value.

Front

If a video game level time decreased from 32 minutes to 28 minutes, what is the percent of change?

Back

Decrease 12.5%.

Front

If Mrs. Ciampa had 27 students last year and 30 this year, what is the percent of change?

Back

Increase 11.11%.

Front

What is the percent of change if a product's price goes from $50 to $60?

Back

Increase 20%.