603.03% is the change from 66 to 464
Calculation steps:
[( 464 - 66 ) ÷ 66] x 100 = 603.03%
Formula
Percentage change = [(464 - 66) / 66] x 100
Subtract the new number by the original number
464 - 66 = 398
398 ÷ 66 = 6.03030303030303
6.03030303030303 x 100 = 603.03%