Percent of Change

Front

What is 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, usually expressed as a percentage.

Tags

CCSS.6.RP.A.3C

Front

How do you calculate Percent of Change?

Back

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

Tags

CCSS.6.RP.A.3C

Front

If the price of an item increases from $30 to $45, what is the percent of change?

Back

Percent of Change = ((45 - 30) / 30) x 100 = 50%.

Tags

CCSS.6.RP.A.3C

Front

If the population of a town decreases from 2000 to 1500, what is the percent of change?

Back

Percent of Change = ((1500 - 2000) / 2000) x 100 = -25% (indicating a decrease).

Tags

CCSS.6.RP.A.3C

Front

What does a positive percent change indicate?

Back

A positive percent change indicates an increase in value.

Tags

CCSS.6.RP.A.3C

Front

What does a negative percent change indicate?

Back

A negative percent change indicates a decrease in value.

Tags

CCSS.6.RP.A.3C

Front

If a student scores 80 on a test and then scores 90 on the next test, what is the percent of change in their score?

Back

Percent of Change = ((90 - 80) / 80) x 100 = 12.5%.

Tags

CCSS.6.RP.A.3C

Front

What is the percent change if a car's value drops from $20,000 to $15,000?

Back

Percent of Change = ((15,000 - 20,000) / 20,000) x 100 = -25%.

Tags

CCSS.6.RP.A.3C

Front

If a store's sales increase from $500 to $600, what is the percent of change?

Back

Percent of Change = ((600 - 500) / 500) x 100 = 20%.

Tags

CCSS.6.RP.A.3C

Front

What is the percent change if the temperature rises from 60°F to 75°F?

Back

Percent of Change = ((75 - 60) / 60) x 100 = 25%.

Tags

CCSS.6.RP.A.3C