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.

Front

How do you calculate Percent of Change?

Back

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

Front

If the original price of an item is $50 and it increases to $75, what is the percent of change?

Back

Percent of Change = (75 - 50) / 50 x 100% = 50% increase.

Front

If the original price of an item is $20 and it decreases to $15, what is the percent of change?

Back

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

Front

What does a negative percent of change indicate?

Back

A negative percent of change indicates a decrease in value.

Front

What does a positive percent of change indicate?

Back

A positive percent of change indicates an increase in value.

Front

If a store's sales decreased from $2000 to $1500, what is the percent of change?

Back

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

Front

If a car's value decreased from $10,000 to $7,500, what is the percent of change?

Back

Percent of Change = (7500 - 10000) / 10000 x 100% = -25% (25% decrease).

Front

If a population of a town increased from 1,000 to 1,200, what is the percent of change?

Back

Percent of Change = (1200 - 1000) / 1000 x 100% = 20% increase.

Front

If a book's price increased from $15 to $18, what is the percent of change?

Back

Percent of Change = (18 - 15) / 15 x 100% = 20% increase.