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 increases?

Back

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

Front

If a shirt's price increased from $20 to $25, what is the percent of change?

Back

25%

Front

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

Back

20%

Front

If the number of students in a class increased from 25 to 30, what is the percent of change?

Back

20%

Front

If a stock price decreased from $80 to $60, what is the percent of change?

Back

-25%

Front

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

Back

20%

Front

What does a positive percent of change indicate?

Back

A positive percent of change indicates an increase in value.

Front

What does a negative percent of change indicate?

Back

A negative percent of change indicates a decrease in value.