Respuesta :

Answer:

22%

Step-by-step explanation:

So First we subtract 90 and 70 = 20

Then we divide 20 by 90 = which gives us approximately 0.22 then we turn that into a percent by moving the decimal point 2x to the right.

So In conclusion, the percent decrease is 22%

Remember the formula is:

amount of change ÷ by the original amount

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