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

Back

20%

Front

If the length of a piece of rope increased from 10 meters to 15 meters, what is the percent of change?

Back

50%

Front

If the price of a shirt increased from $20 to $25, 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

If a recipe called for 2 cups of flour, but the baker used 3 cups, what is the percent of change in the amount of flour used?

Back

50%

Front

What does a percent of change of 0% indicate?

Back

A percent of change of 0% indicates that there has been no change in the value.

Front

What does a positive percent of change indicate?

Back

A positive percent of change indicates an increase in the value.