Exchange rate relationships between the U.S. dollar and the euro have been quite volatile. When the euro began trading at the begging of 199, it was valued at 1.18 U.S. dollars. By late 2000, a beginning of 1999, it was valued at 1.18 U.S. dollars. By late -2000 a euro was worth $.82. However, by mid-2008 , a value of euro reached $1.55. Calculate the percentage changes in the value of a euro from its initial value to its late-200 value and its high mid 2008 value.