-16.89% is the change from 829 to 689
Calculation steps:
[( 689 - 829 ) ÷ 829] x 100 = -16.89%
Formula
Percentage change = [(689 - 829) / 829] x 100
Subtract the new number by the original number
689 - 829 = -140
-140 ÷ 829 = -0.16887816646562123
-0.16887816646562123 x 100 = -16.89%