-13.84% is the change from 990 to 853
Calculation steps:
[( 853 - 990 ) ÷ 990] x 100 = -13.84%
Formula
Percentage change = [(853 - 990) / 990] x 100
Subtract the new number by the original number
853 - 990 = -137
-137 ÷ 990 = -0.1383838383838384
-0.1383838383838384 x 100 = -13.84%