percentile

1. N-COUNT A percentile is one of the equal divisions of an amount, expressed on a scale from 0 to 100. The 90th percentile of an amount is all amounts between zero percent and ninety percent. 百分位數(shù)[usu with supp]

She says blacks who identify with the Democratic Party have fallen from the 90th percentile down to around 70 percent. 她說黑人中支持民主黨的人數(shù)比例從百分之九十下降到大約百分之七十。