-4.28% is the change from 981 to 939
Calculation steps:
[( 939 - 981 ) ÷ 981] x 100 = -4.28%
Formula
Percentage change = [(939 - 981) / 981] x 100
Subtract the new number by the original number
939 - 981 = -42
-42 ÷ 981 = -0.04281345565749235
-0.04281345565749235 x 100 = -4.28%