-26.62% is the change from 939 to 689
Calculation steps:
[( 689 - 939 ) ÷ 939] x 100 = -26.62%
Formula
Percentage change = [(689 - 939) / 939] x 100
Subtract the new number by the original number
689 - 939 = -250
-250 ÷ 939 = -0.26624068157614483
-0.26624068157614483 x 100 = -26.62%