-16.08% is the change from 821 to 689
Calculation steps:
[( 689 - 821 ) ÷ 821] x 100 = -16.08%
Formula
Percentage change = [(689 - 821) / 821] x 100
Subtract the new number by the original number
689 - 821 = -132
-132 ÷ 821 = -0.1607795371498173
-0.1607795371498173 x 100 = -16.08%