-6.31% is the change from 713 to 668
Calculation steps:
[( 668 - 713 ) ÷ 713] x 100 = -6.31%
Formula
Percentage change = [(668 - 713) / 713] x 100
Subtract the new number by the original number
668 - 713 = -45
-45 ÷ 713 = -0.06311360448807854
-0.06311360448807854 x 100 = -6.31%