-7.14% is the change from 714 to 663
Calculation steps:
[( 663 - 714 ) ÷ 714] x 100 = -7.14%
Formula
Percentage change = [(663 - 714) / 714] x 100
Subtract the new number by the original number
663 - 714 = -51
-51 ÷ 714 = -0.07142857142857142
-0.07142857142857142 x 100 = -7.14%