percent increase and decrease

Front

What is percent increase?

Back

Percent increase is a measure of how much a quantity has grown relative to its original amount, expressed as a percentage. It is calculated using the formula: ((new value - original value) / original value) * 100.

Front

What is percent decrease?

Back

Percent decrease is a measure of how much a quantity has reduced relative to its original amount, expressed as a percentage. It is calculated using the formula: ((original value - new value) / original value) * 100.

Front

How do you calculate the percent change?

Back

Percent change can be calculated using the formula: ((new value - original value) / original value) * 100. This formula can be used for both percent increase and percent decrease.

Front

If a student's weight increases from 110 pounds to 150 pounds, what is the percent increase?

Back

The percent increase is 36%, calculated as ((150 - 110) / 110) * 100.

Front

If a class size changes from 27 to 30 students, what is the percent change?

Back

The percent change is 11%, calculated as ((30 - 27) / 27) * 100.

Front

What is the percent increase when a value changes from $18 to $45?

Back

The percent increase is 150%, calculated as ((45 - 18) / 18) * 100.

Front

If a time duration decreases from 84 seconds to 8 seconds, what is the percent decrease?

Back

The percent decrease is 90%, calculated as ((84 - 8) / 84) * 100.

Front

How do you find the percent decrease from a regular price to a sale price?

Back

To find the percent decrease, use the formula: ((original price - sale price) / original price) * 100.

Front

What is the percent decrease when a scooter's price drops from $65.50 to $52.40?

Back

The percent decrease is 20%, calculated as ((65.50 - 52.40) / 65.50) * 100.

Front

What does a 150% increase indicate about the original value?

Back

A 150% increase indicates that the new value is 2.5 times the original value (original value + 150% of original value).