subtract

Based on prior experience, they estimated that the shutdown would subtract about 0.1%-0.2 percentage points from annualized GDP growth in the October-December quarter for each week it lasts.

He derived that target by measuring the height of the previous pattern, from support to the record high — 215 points — and then subtracting that from the broken support level.

Conventional budget cuts start with everything and try to subtract, forcing agencies to prove positions aren’t needed while navigating political mine fields of lobbying and litigation.

Meaning, to a model, can be added up and averaged, divided and subtracted.

Now subtract a significant number of historical factoids and add in some real ghosts — or at least a few tricks of the light and convincing actors.