What you’re describing is called the Contribution Margin. https://www.investopedia.com/terms/c/contributionmargin.asp https://www.investopedia.com/terms/c/cont

What you’re describing is called the Contribution Margin. https://www.investopedia.com/terms/c/contributionmargin.asp https://www.investopedia.com/terms/c/contributionmargin.asp Essentially, how much did that add-on ($100m) service “contribute” to the companies overall margin ... which obviously factors in absolute dollars Edit: fixed typo