-10.2% is the change from 990 to 889
Calculation steps:
[( 889 - 990 ) ÷ 990] x 100 = -10.2%
Formula
Percentage change = [(889 - 990) / 990] x 100
Subtract the new number by the original number
889 - 990 = -101
-101 ÷ 990 = -0.10202020202020202
-0.10202020202020202 x 100 = -10.2%