Net income was $520,000 in 2016, $430,000 in 2017, and $515,000 in 2018. What is the percentage of change from2016 to 2017 and2017 to 2018? Is the change an increase or a decrease? (Enter negative amounts using either a negative sign preceding the number e.g. -45 or parentheses e.g. (45). Round percentages to 0 decimal places, e.g. 12%.)