-7.84% is the change from 727 to 670
Calculation steps:
[( 670 - 727 ) ÷ 727] x 100 = -7.84%
Formula
Percentage change = [(670 - 727) / 727] x 100
Subtract the new number by the original number
670 - 727 = -57
-57 ÷ 727 = -0.07840440165061899
-0.07840440165061899 x 100 = -7.84%