481.82% is the change from 66 to 384
Calculation steps:
[( 384 - 66 ) ÷ 66] x 100 = 481.82%
Formula
Percentage change = [(384 - 66) / 66] x 100
Subtract the new number by the original number
384 - 66 = 318
318 ÷ 66 = 4.818181818181818
4.818181818181818 x 100 = 481.82%