See the solutions to these problems just after the percentage calculator below.

Here are the solutions to the questions stated above:

Always use this formula to find a percentage:

^{%} / _{100} = ^{Part} / _{Whole} replace the given values:

^{2.4} / _{100} = ^{Part} / _{31}

Cross multiply:

2.4 x 31 = 100 x Part, or

74.4 = 100 x Part

Now, divide by 100 and get the answer:

Part = ^{74.4} / _{100} = 0.744

Use again the same percentage formula:

^{%} / _{100} = ^{Part} / _{Whole} replace the given values:

^{%} / _{100} = ^{2.4} / _{31}

Cross multiply:

% x 31 = 2.4 x 100

Divide by 31 and get the percentage:

% = ^{2.4 x 100} / _{31} = 7.741935483871%