is decreased by . What is the new number?

is decreased to . What is the percent change?

In March, an athlete weighed pounds. In April, the same athlete weighed pounds. What is the athlete's percentage of weight loss?

At age you are inches taller than you were years ago, when you were inches tall. What is the percent change in your height from years ago to now? Round your answer to the nearest tenth.

Last month the shirt you wanted to buy cost and this month it costs . What is the percent decrease?