-16.65% is the change from 829 to 691
Calculation steps:
[( 691 - 829 ) ÷ 829] x 100 = -16.65%
Formula
Percentage change = [(691 - 829) / 829] x 100
Subtract the new number by the original number
691 - 829 = -138
-138 ÷ 829 = -0.16646562123039807
-0.16646562123039807 x 100 = -16.65%