percent of change

Front

What is the formula to calculate percent of change?

Back

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

Front

If a video game level completion time decreases from 32 minutes to 28 minutes, what is the percent of change?

Back

Decrease 12.5%

Front

How do you determine if the percent of change is an increase or a decrease?

Back

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

Front

What is the percent of change when a price decreases from $12 to $8?

Back

33%

Front

If the number of dogs decreases from 20 to 5, what is the percent of change?

Back

Decrease 75%

Front

How do you express a percent of change as a positive or negative value?

Back

A decrease is expressed as a negative percent, while an increase is expressed as a positive percent.

Front

What is the percent of change when a class size increases from 35 to 42 students?

Back

Increase 20%

Front

How do you round the percent of change to the nearest whole number?

Back

Look at the decimal; if it's 0.5 or higher, round up; if it's less than 0.5, round down.

Front

What is the percent of change in attendance if last year 2,376 people attended and this year 2,950 attended?

Back

Increase 24%

Front

What does a percent of change of 0% indicate?

Back

It indicates no change between the old value and the new value.