Percent of Change Flashcard

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 value, calculated as (New Value - Original Value) / Original Value x 100%.

Front

How do you calculate the percent of change when a value decreases?

Back

To calculate the percent of change for a decrease, use the formula: Percent of Change = (Original Value - New Value) / Original Value x 100%.

Front

How do you calculate the percent of change when a value increases?

Back

To calculate the percent of change for an increase, use the formula: Percent of Change = (New Value - Original Value) / Original Value x 100%.

Front

If a car's value decreased from $15,000 to $12,000, what is the percent of change?

Back

20% decrease.

Front

If the temperature rose from 50°F to 60°F, what is the percent of change?

Back

20% increase.

Front

If a population increased from 500 to 600, what is the percent of change?

Back

20% increase.

Front

If a student's test score increased from 75% to 90%, what is the percent of change?

Back

20% increase.

Front

If the weight of a fruit increased from 100 grams to 120 grams, what is the percent of change?

Back

20% increase.

Front

What is the formula for calculating percent of change?

Back

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

Front

What does a positive percent of change indicate?

Back

A positive percent of change indicates an increase in value.