-9.12% is the change from 998 to 907
Calculation steps:
[( 907 - 998 ) ÷ 998] x 100 = -9.12%
Formula
Percentage change = [(907 - 998) / 998] x 100
Subtract the new number by the original number
907 - 998 = -91
-91 ÷ 998 = -0.09118236472945891
-0.09118236472945891 x 100 = -9.12%