The net change in monthly recurring revenue, accounting for new, expanded, churned, and contracted revenue.
Acme gained $5K in new MRR, $1K in expansion, lost $500 in churn, $200 in contractions. Net New MRR = $5K + $1K - $500 - $200 = $5.3K. Acme tracks growth
Add new MRR plus expansion MRR, then subtract churned MRR and contraction MRR.
