-5.44% is the change from 993 to 939
Calculation steps:
[( 939 - 993 ) ÷ 993] x 100 = -5.44%
Formula
Percentage change = [(939 - 993) / 993] x 100
Subtract the new number by the original number
939 - 993 = -54
-54 ÷ 993 = -0.054380664652567974
-0.054380664652567974 x 100 = -5.44%