-9.64% is the change from 674 to 609
Calculation steps:
[( 609 - 674 ) ÷ 674] x 100 = -9.64%
Formula
Percentage change = [(609 - 674) / 674] x 100
Subtract the new number by the original number
609 - 674 = -65
-65 ÷ 674 = -0.09643916913946587
-0.09643916913946587 x 100 = -9.64%