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

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How do you calculate Percent Increase?

Back

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

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How do you calculate Percent Decrease?

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

Front

What is the formula for finding the new value after a percent increase?

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New Value = Original Value + (Original Value x Percent Increase).

Front

What is the formula for finding the new value after a percent decrease?

Back

New Value = Original Value - (Original Value x Percent Decrease).

Front

If the price of an item increases from $50 to $75, what is the percent of increase?

Back

Percent Increase = (75 - 50) / 50 x 100% = 50%.

Front

If the price of an item decreases from $80 to $60, what is the percent of decrease?

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Percent Decrease = (80 - 60) / 80 x 100% = 25%.

Front

What is the percent of change from 10 to 14?

Back

Percent Change = (14 - 10) / 10 x 100% = 40%.

Front

What is the percent of change from 75 to 215?

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Percent Change = (215 - 75) / 75 x 100% = 187%.

Front

If a ticket price goes from $100 to $120, what is the percent of change?

Back

Percent Change = (120 - 100) / 100 x 100% = 20%.