80 20 Rule

80 20 rule
80 20 rule states that for many events, roughly 80% of the events come from 20% of the causes.
                                    20% ACTIONS = 80% RESULTS
                                    80% ACTIONS = 20% RESULTS  

Examples

20% of Products Revenue is  80%

20% of Our cloths Wear 80% of Time

80% of Use Above Marked Button and Remaining Buttons Use Only 20% 

80% of Use Above Marked Button and Remaining Buttons Use Only 20% in Mobile Phone

Only 20% People Using Flights for Travelling and Remaining 80% Using Other Sources

80% of Jobs in private Sector and Remaining 20% of  Jobs in Government Sector

80% of Wealth Controlled by 20% of People

80% of Product Complaints from 20% of Customers