-16.01% is the change from 818 to 687
Calculation steps:
[( 687 - 818 ) ÷ 818] x 100 = -16.01%
Formula
Percentage change = [(687 - 818) / 818] x 100
Subtract the new number by the original number
687 - 818 = -131
-131 ÷ 818 = -0.16014669926650366
-0.16014669926650366 x 100 = -16.01%