The problem asks us to convert the decimal $0.137$ to a percentage.

1. Problem Description

The problem asks us to convert the decimal $0.137$ to a percentage.

2. Solution Steps

To convert a decimal to a percentage, we multiply the decimal by 100 and add a percent sign (%).

$percentage = decimal \times 100$

In this case, the decimal is $0.137$.

$percentage = 0.137 \times 100 = 13.7$

Therefore, the percentage is $13.7\%$.

3. Final Answer

13.7%