-4.9% is the change from 939 to 893
Calculation steps:
[( 893 - 939 ) ÷ 939] x 100 = -4.9%
Formula
Percentage change = [(893 - 939) / 939] x 100
Subtract the new number by the original number
893 - 939 = -46
-46 ÷ 939 = -0.04898828541001065
-0.04898828541001065 x 100 = -4.9%