Percentage Calculator: What is 90 percent off (discount) 420? = 42

420 - (90/100 * 420) = 42

Now we have: 420 decreased by 90 percent = 42

Question: What is the 90 percent discount of 420? What is 420 minus 90 percent?
Answer = 42

Percentage solution with steps:

Step 1: We have a with value of 90.

Step 2: We have b with value of 420.

Step 3: The formula for calculation will be: b - (a/100 * b) = x.

Step 4: We could also represent this as: x = b - (\frac{a}{100} * b).

Step 5: We now replace with the values: x = 420 - (\frac{90}{100} * 420).

Step 6: That gives us an {x} = {42}

Therefore, {90} percent off {420} is {42}

Percentage of

Difference

90 - (420/100 * 90) = -288

Now we have: 90 decreased by 420 percent = -288

Question: What is the 420 percent discount of 90? What is 90 minus 420 percent?
Answer = -288

Percentage solution with steps:

Step 1: We have a with value of 420.

Step 2: We have b with value of 90.

Step 3: The formula for calculation will be: b - (a/100 * b) = x.

Step 4: We could also represent this as: x = b - (\frac{a}{100} * b).

Step 5: We now replace with the values: x = 90 - (\frac{420}{100} * 90).

Step 6: That gives us an {x} = {-288}

Therefore, {420} percent off {90} is {-288}

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