Complex sentence: Under Pérez's leadership the price of Kodak shares has decreased from around 25 dollars (in 2005) to less than 1 dollar by September 30,2011 and the number of Kodak employees has been reduced to about 7000 in the Rochester area.
Split into simpler sentences: Under Pérez's leadership the price of Kodak shares has decreased from around 25 dollars (in 2005) to less than 1 dollar by September 30,2011. Also, the number of Kodak employees has been reduced to about 7000 in the Rochester area.