“She crouched in a dim room, hands touching the smooth stone floor, which had been eroded by thousands upon thousands of footfalls. If stone met a man, stone might win—but if stone met humanity, then no force could preserve it.”
–Oathbringer by Brandon Sanderson
One small change will rarely make a difference when trying to change behaviors in an organization. It takes focused and continuous action towards a clear goal to make a real change. That is why Big Bang changes rarely work. It is the small steps that happen daily that shows the people in an organization what behaviors you are promoting.