The top growing current Broadway musicals were Once On this Island 6.58, The Band's Visit 6.17, Spongebob 4.43, Dear Evan Hansen 2.66 and School of Rock 2.17. The top growing current Broadway plays were Meteor Shower 10.51, M. Butterfly 5.48, and Play That Goes Wrong 1.71.
SOURCE: BroadwayWorld at 10:40AM on December 18, 2017