-5.41% is the change from 702 to 664
Calculation steps:
[( 664 - 702 ) ÷ 702] x 100 = -5.41%
Formula
Percentage change = [(664 - 702) / 702] x 100
Subtract the new number by the original number
664 - 702 = -38
-38 ÷ 702 = -0.05413105413105413
-0.05413105413105413 x 100 = -5.41%