On February 2, 2018, one U.S. dollar bought 0.799. A few months later on August 16, 2018, the same U.S. dollar bought 0.882. What was the dollar value of the euro in February 2018? What was the euros dollar value in August 2018? By what percentage has the euro fallen (risen) in value between February and August, 2018? By what percentage has the dollar fallen (risen) in value between February and August, 2018?