-8.89% is the change from 664 to 605
Calculation steps:
[( 605 - 664 ) ÷ 664] x 100 = -8.89%
Formula
Percentage change = [(605 - 664) / 664] x 100
Subtract the new number by the original number
605 - 664 = -59
-59 ÷ 664 = -0.08885542168674698
-0.08885542168674698 x 100 = -8.89%