Question

这段话看不懂啊，求英语大神翻译一下、

The difference between arrivals and departures each year shown as a Percentage of the Total Movement each year (Movement divided by Difference: for both Visitor and Total categories)
 The Total Decrease or Increase in the number of movements over the previous year (Movement less Movement of the previous year: for both Visitor and Total categories)
主要不知道movements 是什么

Answer 1

movement 复数：movements 名词 n.1.移动; 运动; 活动 Downward movement is much faster than upward one.向下移动比向上移动快得多。2.动作, 姿势 We were amused at his funny movements in doing morning exercises.他做早操时的滑稽动作使我们觉得好笑。3.调动 Troop movements can be observed from space by a satellite.借助卫星可以观察到部队的调动。4.动向, 趋向, 倾向 He could not yet tell where the movement of his thought would take him.他还不敢说他的思想发展趋势会把他引向何方。5.运动, 开展运动的团体 The trade union movement is[are] concerned with working conditions.工会运动关注工作条件。6.乐章 This is a beautiful movement.这是一篇优美的乐章。7.量的变化；增减8.（尤指某一工作的）进步，进展 9.逐步的转变

Answer 2

没有上下文，情况不太明确，但根据arrivals and departures，推断，应该指：每年的抵达数和离开数之间的差额以百分数的形式表示出每年的（人群、动物种群等等，根据上下文来判断）流动情况（分为：访问者和所有类别）

movements应该指流动情况，或者动物的迁徙

Answer 3

movements这里理解成“迁徙、变化”

Answer 4

在这里应该指的是运动的意思吧