Solution for 21 is what percent of 99:

21: 99*100 =

(21*100): 99 =

2100: 99 = 21.21

Now we have: 21 is what percent of 99 = 21.21

Question: 21 is what percent of 99?

Percentage solution with steps:

Step 1: We make the assumption that 99 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\%}={ 99}.

Step 4: In the same vein, {x\%}={21}.

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

{100\%}={ 99}(1).

{x\%}={21}(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{ 99}{21}

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

\frac{x\%}{100\%}=\frac{21}{ 99}

\Rightarrow{x} = {21.21\%}

Therefore, {21} is {21.21\%} of { 99}.

Solution for 99 is what percent of 21:

99:21*100 =

( 99*100):21 =

9900:21 = 471.43

Now we have: 99 is what percent of 21 = 471.43

Question: 99 is what percent of 21?

Percentage solution with steps:

Step 1: We make the assumption that 21 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\%}={21}.

Step 4: In the same vein, {x\%}={ 99}.

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

{100\%}={21}(1).

{x\%}={ 99}(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{21}{ 99}

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

\frac{x\%}{100\%}=\frac{ 99}{21}

\Rightarrow{x} = {471.43\%}

Therefore, { 99} is {471.43\%} of {21}.