613.64% is the change from 66 to 471
Calculation steps:
[( 471 - 66 ) ÷ 66] x 100 = 613.64%
Formula
Percentage change = [(471 - 66) / 66] x 100
Subtract the new number by the original number
471 - 66 = 405
405 ÷ 66 = 6.136363636363637
6.136363636363637 x 100 = 613.64%