-16.09% is the change from 988 to 829
Calculation steps:
[( 829 - 988 ) ÷ 988] x 100 = -16.09%
Formula
Percentage change = [(829 - 988) / 988] x 100
Subtract the new number by the original number
829 - 988 = -159
-159 ÷ 988 = -0.16093117408906882
-0.16093117408906882 x 100 = -16.09%