-88.86% is the change from 727 to 81
Calculation steps:
[( 81 - 727 ) ÷ 727] x 100 = -88.86%
Formula
Percentage change = [(81 - 727) / 727] x 100
Subtract the new number by the original number
81 - 727 = -646
-646 ÷ 727 = -0.8885832187070152
-0.8885832187070152 x 100 = -88.86%