704.55% is the change from 66 to 531
Calculation steps:
[( 531 - 66 ) ÷ 66] x 100 = 704.55%
Formula
Percentage change = [(531 - 66) / 66] x 100
Subtract the new number by the original number
531 - 66 = 465
465 ÷ 66 = 7.045454545454546
7.045454545454546 x 100 = 704.55%