-0.22% is the change from 930 to 928
Calculation steps:
[( 928 - 930 ) ÷ 930] x 100 = -0.22%
Formula
Percentage change = [(928 - 930) / 930] x 100
Subtract the new number by the original number
928 - 930 = -2
-2 ÷ 930 = -0.002150537634408602
-0.002150537634408602 x 100 = -0.22%