-8.57% is the change from 665 to 608
Calculation steps:
[( 608 - 665 ) ÷ 665] x 100 = -8.57%
Formula
Percentage change = [(608 - 665) / 665] x 100
Subtract the new number by the original number
608 - 665 = -57
-57 ÷ 665 = -0.08571428571428572
-0.08571428571428572 x 100 = -8.57%