-16.26% is the change from 990 to 829
Calculation steps:
[( 829 - 990 ) ÷ 990] x 100 = -16.26%
Formula
Percentage change = [(829 - 990) / 990] x 100
Subtract the new number by the original number
829 - 990 = -161
-161 ÷ 990 = -0.16262626262626262
-0.16262626262626262 x 100 = -16.26%