By decreasing each side of a rectangle by 2 unit, the area decreased from 552 square feet (the figure on the left) to 462 square feet (the figure on the right).
Fill in the blanks below.
24 feet                   22 feet  
23 feet   21 feet
552 square feet     462 square feet  



The percent decrease in the length is % (if needed, round to two decimal places).
The percent decrease in the width is % (if needed, round to two decimal places).
The percent decrease in the area of the rectangle % (if needed, round to two decimal places).