Answer:
$1719.55, 61.4%
Step-by-step explanation:
Original price of stove: Â $2,800
Value of stove after 1 year: Â (1 - 0.15)($2,800), or 0.85($2,800) = $2,380
Value of stove after 2 years: Â 0.85($2,380) = $1719.55
Find the ratio of this last result to the original price and convert that to a  percentage:
$1,719.55
-------------- = 0.614, or approximately 61.4%
 $2,800