I just need part b please - it's incorrect

The Global Macroeconomy - EOC The accompanying table shows the yuan per dollar (Y/$) Daily Exchange Rate and dollar per euro ($/E) exchange rate for several days Date Yuan/$ $/E during 2019 and part of 2020. Use the information in the 1/15/2019 6.7595 1.1392 table to answer the following questions. 2/15/2019 6.768 1.1268 Round all answers to the nearest hundredth. 3/15/2019 6.7129 1.1326 4/15/2019 6.7072 1.1304 5/15/2019 6.8742 1.1208 7/15/2019 6.8769 1.126 8/15/2019 7.0327 1.1 106 10/15/2019 7.0814 1.1036 11/15/2019 7.0075 1.1046 1/15/2020 6.8899 1.116 4/15/2020 7.0664 1.0909 5/15/2020 7.1013 1.0816 6/15/2020 7.0887 1.127 Source: FRED (Federal Reserve Economic Data). a. By what percentage amount did the exchange rate b. By what percentage amount did the exchange rate between the yuan and dollar change from January 15th, between the yuan and dollar change from August 15th, 2019, to August 15th, 2019? 2019, to June 15th, 2020? %(4/$): 4.04 % .80 %(Y/$) % Incorrect c. By what percentage amount did the exchange rate d. By what percentage amount did the exchange rate between the dollar and euro change from January 15th, between the dollar and euro change from August 15th, 2019, to August 15th, 2019? 2019, to June 15th, 2020? %A($/E): -2.51 % %A($/E): 1.48