-9.22% is the change from 727 to 660
Calculation steps:
[( 660 - 727 ) ÷ 727] x 100 = -9.22%
Formula
Percentage change = [(660 - 727) / 727] x 100
Subtract the new number by the original number
660 - 727 = -67
-67 ÷ 727 = -0.0921595598349381
-0.0921595598349381 x 100 = -9.22%