30. The graph shows the number of pounds (in millions) of U.S. commercial landings of fish and shellfish for the years 1997-2001. Find the percent of change in pounds of fish between the years indicated on the graph. Show your work. +248 11 1145 1270 TUES 9842 10 2.194 9339 9792 9 91069 Pounds (millions) 3 6 M 2 1997 1998 1999 2000 2001​