-4.47% is the change from 939 to 897
Calculation steps:
[( 897 - 939 ) ÷ 939] x 100 = -4.47%
Formula
Percentage change = [(897 - 939) / 939] x 100
Subtract the new number by the original number
897 - 939 = -42
-42 ÷ 939 = -0.04472843450479233
-0.04472843450479233 x 100 = -4.47%