-5.34% is the change from 992 to 939
Calculation steps:
[( 939 - 992 ) ÷ 992] x 100 = -5.34%
Formula
Percentage change = [(939 - 992) / 992] x 100
Subtract the new number by the original number
939 - 992 = -53
-53 ÷ 992 = -0.05342741935483871
-0.05342741935483871 x 100 = -5.34%