Net income was $500,000 in 2011, $450,000 in 2012, and

Net income was $500,000 in 2011, $450,000 in 2012, and $522,000 in 2013. What is the percentage of change from (a) 2011 to 2012 and (b) 2012 to 2013? Is the change an increase or a decrease?