-15.87% is the change from 819 to 689
Calculation steps:
[( 689 - 819 ) ÷ 819] x 100 = -15.87%
Formula
Percentage change = [(689 - 819) / 819] x 100
Subtract the new number by the original number
689 - 819 = -130
-130 ÷ 819 = -0.15873015873015872
-0.15873015873015872 x 100 = -15.87%