-2.42% is the change from 909 to 887
Calculation steps:
[( 887 - 909 ) ÷ 909] x 100 = -2.42%
Formula
Percentage change = [(887 - 909) / 909] x 100
Subtract the new number by the original number
887 - 909 = -22
-22 ÷ 909 = -0.0242024202420242
-0.0242024202420242 x 100 = -2.42%