It costs $100 to enter the following game of chance based on the outcome of a coin toss. If the coin comes up 'heads, you walk away with $195 (for a net gain of $95). However, if the coin comes up "tails,' you walk away with $30 (for a net loss of $70). What is the expected return on this gamble in percentage terms? Round your answer to two decimal places (i.e. X.YY)