-9.33% is the change from 997 to 904
Calculation steps:
[( 904 - 997 ) ÷ 997] x 100 = -9.33%
Formula
Percentage change = [(904 - 997) / 997] x 100
Subtract the new number by the original number
904 - 997 = -93
-93 ÷ 997 = -0.09327983951855567
-0.09327983951855567 x 100 = -9.33%