622.73% is the change from 66 to 477
Calculation steps:
[( 477 - 66 ) ÷ 66] x 100 = 622.73%
Formula
Percentage change = [(477 - 66) / 66] x 100
Subtract the new number by the original number
477 - 66 = 411
411 ÷ 66 = 6.2272727272727275
6.2272727272727275 x 100 = 622.73%