606.06% is the change from 66 to 466
Calculation steps:
[( 466 - 66 ) ÷ 66] x 100 = 606.06%
Formula
Percentage change = [(466 - 66) / 66] x 100
Subtract the new number by the original number
466 - 66 = 400
400 ÷ 66 = 6.0606060606060606
6.0606060606060606 x 100 = 606.06%