-11.86% is the change from 818 to 721
Calculation steps:
[( 721 - 818 ) ÷ 818] x 100 = -11.86%
Formula
Percentage change = [(721 - 818) / 818] x 100
Subtract the new number by the original number
721 - 818 = -97
-97 ÷ 818 = -0.11858190709046455
-0.11858190709046455 x 100 = -11.86%