592.42% is the change from 66 to 457
Calculation steps:
[( 457 - 66 ) ÷ 66] x 100 = 592.42%
Formula
Percentage change = [(457 - 66) / 66] x 100
Subtract the new number by the original number
457 - 66 = 391
391 ÷ 66 = 5.924242424242424
5.924242424242424 x 100 = 592.42%