-0.21% is the change from 941 to 939
Calculation steps:
[( 939 - 941 ) ÷ 941] x 100 = -0.21%
Formula
Percentage change = [(939 - 941) / 941] x 100
Subtract the new number by the original number
939 - 941 = -2
-2 ÷ 941 = -0.0021253985122210413
-0.0021253985122210413 x 100 = -0.21%