80% of the business comes from 20% of the potential customer, why this statement holds good?

pareto's principle

i have tried it,it works

Because it is holds for the test of time.

I know that the other name of Pareto Principle is80-20 rule but never thought why it is called. Intresting. I will try to figure out.

Applying this rule to your business helps you grow it tremendously. I would highly recommend "the4 hour work week" by Tim Ferriss