American cheese 0.45 to 4.26 what is the percent increase

For this case we have the following rule of three:
 0.45 > 100%
 4.26 > x
 Clearing x we have:
 x = (4.26 / 0.45) * (100)
 x = 946.6666667%
 Thus, the percentage of growth is:
 946.6666667 - 100 = 846.6666667
 Rounding:
 846.7%
 
 the percent increase is:
 846.7%

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