Apparently you want a calculated column in your one table. Here's one way of coding it:
Range =
var pct = 'one table'[Sales Percentage]
return CALCULATE(SELECTEDVALUE('Ranges'[Ranges], "no single match"),'Ranges'[Min Range] < pct, 'Ranges'[Max Range] >= pct)
As a side note you might want to tweak the labels for your ranges so it's apparent which boundaries are inclusive and which are exclusive.