sessionsPercentage.py

from neo4j.v1 import GraphDatabase, basic_auth

driver = GraphDatabase.driver("bolt://localhost", auth=basic_auth("neo4j", "neo4jj"))
session = driver.session()

for result in session.run("""
    MATCH (u:User)
    RETURN COUNT(u)
	"""):
    TotalUserCount = int(result._values[0])

for result in session.run("""
    MATCH (c:Computer)-[r:HasSession]->(u:User)
    RETURN COUNT(DISTINCT(u))
	"""):
    UniqueUsersWithSessions = int(result._values[0])
# Thanks Tom Porter (@porterhau5) for correction
    
SessionPercentage = int((float(TotalUserCount) / float(UniqueUsersWithSessions)) * 100)
print str(SessionPercentage)