100%

One hundred percent

One shot at a time-100%

Make a clean break -50%

One tenth-10%

Kill two birds with one stone -200%

Get twice the result with half the effort-200%

Get twice the result with half the effort-50%

Ten winds and five rains -50%

As sure as a gun -90%

99% to 1%

Perfect-100%

Half a catty -50%

Genius is 1% inspiration and 99% sweat.

There is still a 50% chance of success if you continue, and 100% failure if you don't do it.