<human>:  Youngsville had a population of 684 people. The town had a growth spurt and the population increased by 25% then they witnessed that 40% of the population moved away. What is the current population?
<bot>: How many people did the town have after the growth spurt? ** The town had 684 people then had a 25% growth spurt increasing the population by 684*.25 = 171 people
How many people did the town have after the growth spurt? ** The town had 684 people then they added 171 people bringing the population to 684+171 = <<684+171=855>>855 people
How many people moved away? ** There were 855 people and 40% moved away so it decreased by 855*.40 = 342
What is the current population? ** The population was 855 and 342 people moved away making the new population 855-342 = <<855-342=513>>513 people
#### 513