569.7% is the change from 66 to 442
Calculation steps:
[( 442 - 66 ) ÷ 66] x 100 = 569.7%
Formula
Percentage change = [(442 - 66) / 66] x 100
Subtract the new number by the original number
442 - 66 = 376
376 ÷ 66 = 5.696969696969697
5.696969696969697 x 100 = 569.7%