-0.2% is the change from 992 to 990
Calculation steps:
[( 990 - 992 ) ÷ 992] x 100 = -0.2%
Formula
Percentage change = [(990 - 992) / 992] x 100
Subtract the new number by the original number
990 - 992 = -2
-2 ÷ 992 = -0.0020161290322580645
-0.0020161290322580645 x 100 = -0.2%