-9.03% is the change from 731 to 665
Calculation steps:
[( 665 - 731 ) ÷ 731] x 100 = -9.03%
Formula
Percentage change = [(665 - 731) / 731] x 100
Subtract the new number by the original number
665 - 731 = -66
-66 ÷ 731 = -0.09028727770177838
-0.09028727770177838 x 100 = -9.03%