The average cost per month of a 2 - bedroom apartment in Graysonwas $625 last year. This year, the average cost is $650. What is the percent of increase from last year to this year?

Average cost of a 2 bedroom apartment in Grayson last year = $625

The average cost of the 2 bedroom apartment in Grayson this year = $650

Increase in average cost of 2 bedroom apartment in Grayson = (650 - 625) dollars

= 25 dollars

Then

Percentage increase in average cost = (25/625) * 100

= 2500/625

= 4 percent

Average increase in price of the 2 bedroom apartment from last year to this year is 4%. I hope this is the answer you were looking for and the procedure is also clear to you.