407.58% is the change from 66 to 335
Calculation steps:
[( 335 - 66 ) ÷ 66] x 100 = 407.58%
Formula
Percentage change = [(335 - 66) / 66] x 100
Subtract the new number by the original number
335 - 66 = 269
269 ÷ 66 = 4.075757575757576
4.075757575757576 x 100 = 407.58%