Carry MRR: MRR from existing customers that renewed at the same amount. No expansion, contraction or churn.
Formula
Carry MRR = Beginning MRR - Churned MRR - Contraction MRRWhat It Tells You
The stable foundation of your revenue. High carry relative to beginning MRR means your base is healthy. Carry MRR expressed as a percentage of Beginning MRR equals GRR.