|Your SUMIFS formula doesn't work. I assume you meant to use:|
as in "less than or equal to" not "equal to or less than".
As for your question, try this:
=SUMIFS(D136:D159,C136:C159,"<=" & C135)
P.S. C135 is not a "field", it's a "cell" or a "range". Using the wrong terminology can be confusing, especially when the terms you use actually refer to something else that exists.
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