-8.82% is the change from 669 to 610
Calculation steps:
[( 610 - 669 ) ÷ 669] x 100 = -8.82%
Formula
Percentage change = [(610 - 669) / 669] x 100
Subtract the new number by the original number
610 - 669 = -59
-59 ÷ 669 = -0.08819133034379671
-0.08819133034379671 x 100 = -8.82%