-0.99% is the change from 908 to 899
Calculation steps:
[( 899 - 908 ) ÷ 908] x 100 = -0.99%
Formula
Percentage change = [(899 - 908) / 908] x 100
Subtract the new number by the original number
899 - 908 = -9
-9 ÷ 908 = -0.009911894273127754
-0.009911894273127754 x 100 = -0.99%