483.33% is the change from 66 to 385
Calculation steps:
[( 385 - 66 ) ÷ 66] x 100 = 483.33%
Formula
Percentage change = [(385 - 66) / 66] x 100
Subtract the new number by the original number
385 - 66 = 319
319 ÷ 66 = 4.833333333333333
4.833333333333333 x 100 = 483.33%