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Solution for 400 is what percent of 399:

400:399*100 =

(400*100):399 =

40000:399 = 100.25

Now we have: 400 is what percent of 399 = 100.25

Question: 400 is what percent of 399?

Percentage solution with steps:

Step 1: We make the assumption that 399 is 100% since it is our output value.

Step 2: We next represent the value we seek with {x}.

Step 3: From step 1, it follows that {100\%}={399}.

Step 4: In the same vein, {x\%}={400}.

Step 5: This gives us a pair of simple equations:

{100\%}={399}(1).

{x\%}={400}(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS
(left hand side) of both equations have the same unit (%); we have

\frac{100\%}{x\%}=\frac{399}{400}

Step 7: Taking the inverse (or reciprocal) of both sides yields

\frac{x\%}{100\%}=\frac{400}{399}

\Rightarrow{x} = {100.25\%}

Therefore, {400} is {100.25\%} of {399}.

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Solution for 399 is what percent of 400:

399:400*100 =

(399*100):400 =

39900:400 = 99.75

Now we have: 399 is what percent of 400 = 99.75

Question: 399 is what percent of 400?

Percentage solution with steps:

Step 1: We make the assumption that 400 is 100% since it is our output value.

Step 2: We next represent the value we seek with {x}.

Step 3: From step 1, it follows that {100\%}={400}.

Step 4: In the same vein, {x\%}={399}.

Step 5: This gives us a pair of simple equations:

{100\%}={400}(1).

{x\%}={399}(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS
(left hand side) of both equations have the same unit (%); we have

\frac{100\%}{x\%}=\frac{400}{399}

Step 7: Taking the inverse (or reciprocal) of both sides yields

\frac{x\%}{100\%}=\frac{399}{400}

\Rightarrow{x} = {99.75\%}

Therefore, {399} is {99.75\%} of {400}.