-9.49% is the change from 738 to 668
Calculation steps:
[( 668 - 738 ) ÷ 738] x 100 = -9.49%
Formula
Percentage change = [(668 - 738) / 738] x 100
Subtract the new number by the original number
668 - 738 = -70
-70 ÷ 738 = -0.0948509485094851
-0.0948509485094851 x 100 = -9.49%