-0.2% is the change from 994 to 992
Calculation steps:
[( 992 - 994 ) ÷ 994] x 100 = -0.2%
Formula
Percentage change = [(992 - 994) / 994] x 100
Subtract the new number by the original number
992 - 994 = -2
-2 ÷ 994 = -0.002012072434607646
-0.002012072434607646 x 100 = -0.2%