Complex sentence: In 2012 Adams resurfaced to challange Chipman to regain his former seat but was roundly defeated garnering only 36.63% of the vote to Chipman's 54.25%.
Split into simpler sentences: In 2012 Adams resurfaced to challange Chipman to regain his former seat. Adams was resoundingly defeated garnering only 36.63% of the vote to Chipman's 54.25%.