-9.12% is the change from 987 to 897
Calculation steps:
[( 897 - 987 ) ÷ 987] x 100 = -9.12%
Formula
Percentage change = [(897 - 987) / 987] x 100
Subtract the new number by the original number
897 - 987 = -90
-90 ÷ 987 = -0.0911854103343465
-0.0911854103343465 x 100 = -9.12%