-30.96% is the change from 998 to 689
Calculation steps:
[( 689 - 998 ) ÷ 998] x 100 = -30.96%
Formula
Percentage change = [(689 - 998) / 998] x 100
Subtract the new number by the original number
689 - 998 = -309
-309 ÷ 998 = -0.3096192384769539
-0.3096192384769539 x 100 = -30.96%