Percent of Change

Front

What is the formula to calculate percent change?

Back

Percent Change = ((New Value - Old Value) / Old Value) * 100

Front

If a price increases from $50 to $60, what is the percent increase?

Back

20% increase

Front

How do you calculate the percent decrease when a value goes from 72 to 36?

Back

Percent Decrease = ((Old Value - New Value) / Old Value) * 100 = 50% decrease

Front

What does a 400% increase mean in terms of original value?

Back

It means the new value is 5 times the original value.

Front

If a person's hourly wage increases from $10 to $12, what is the percent change?

Back

20% increase

Front

What is the percent increase if the number of participants in an event goes from 32 to 45?

Back

41% increase

Front

What is the significance of rounding in percent change calculations?

Back

Rounding is important for presenting clear and concise results, especially when dealing with whole numbers.

Front

How can you determine if a change is an increase or a decrease?

Back

If the new value is greater than the old value, it is an increase; if it is less, it is a decrease.

Front

What is the percent change if a product's price drops from $80 to $60?

Back

25% decrease

Front

How do you interpret a percent change of 0%?

Back

It indicates that there has been no change in value.