-10.51% is the change from 742 to 664
Calculation steps:
[( 664 - 742 ) ÷ 742] x 100 = -10.51%
Formula
Percentage change = [(664 - 742) / 742] x 100
Subtract the new number by the original number
664 - 742 = -78
-78 ÷ 742 = -0.10512129380053908
-0.10512129380053908 x 100 = -10.51%