-17.87% is the change from 996 to 818
Calculation steps:
[( 818 - 996 ) ÷ 996] x 100 = -17.87%
Formula
Percentage change = [(818 - 996) / 996] x 100
Subtract the new number by the original number
818 - 996 = -178
-178 ÷ 996 = -0.178714859437751
-0.178714859437751 x 100 = -17.87%