-17.71% is the change from 994 to 818
Calculation steps:
[( 818 - 994 ) ÷ 994] x 100 = -17.71%
Formula
Percentage change = [(818 - 994) / 994] x 100
Subtract the new number by the original number
818 - 994 = -176
-176 ÷ 994 = -0.17706237424547283
-0.17706237424547283 x 100 = -17.71%