The price of a share of stock in Hilton (hotel) Company rose on Tuesday to a new 52 week high of $38.50. Last month the price was $21.30. What was the percentage increase? (use the % symbol in your answe

Given that the price of the stock increased from $21.30 to $38.50 in one months, the percentage rise will be given by:

% rise = (current price-previous price) / previous price * 100

= (38.50-21.30) / 21.30*100

=17.2/21.30*100

=0.8075*100

=80.75%