-7.7% is the change from 727 to 671
Calculation steps:
[( 671 - 727 ) ÷ 727] x 100 = -7.7%
Formula
Percentage change = [(671 - 727) / 727] x 100
Subtract the new number by the original number
671 - 727 = -56
-56 ÷ 727 = -0.07702888583218707
-0.07702888583218707 x 100 = -7.7%