-9.73% is the change from 740 to 668
Calculation steps:
[( 668 - 740 ) ÷ 740] x 100 = -9.73%
Formula
Percentage change = [(668 - 740) / 740] x 100
Subtract the new number by the original number
668 - 740 = -72
-72 ÷ 740 = -0.0972972972972973
-0.0972972972972973 x 100 = -9.73%