-15.53% is the change from 818 to 691
Calculation steps:
[( 691 - 818 ) ÷ 818] x 100 = -15.53%
Formula
Percentage change = [(691 - 818) / 818] x 100
Subtract the new number by the original number
691 - 818 = -127
-127 ÷ 818 = -0.1552567237163814
-0.1552567237163814 x 100 = -15.53%