-11.28% is the change from 727 to 645
Calculation steps:
[( 645 - 727 ) ÷ 727] x 100 = -11.28%
Formula
Percentage change = [(645 - 727) / 727] x 100
Subtract the new number by the original number
645 - 727 = -82
-82 ÷ 727 = -0.11279229711141678
-0.11279229711141678 x 100 = -11.28%