减少的量 meaning in English

amount by which sth decreases

In addition , when making a calculation for rating gains and losses at the end of a match , the calculation will use the higher of the personal or team ratings on the opposing team
同时，在一场比赛结束后统计每个玩家的队伍/个人等级增加或减少的量时，计算系统将使用玩家的个人等级/队伍等级中较高的一个。
The decline is still small and you can argue over which shares should count in the calculation , but citigroup says this year is the first in more than 20 years that european stockmarkets have shrunk in this way
这种减少的量还是很小，而且你可以就哪种股票应该纳入计算进行争论，但是花旗认为今年是20多年以来欧洲股票市场第一次以这种方式缩减。