-30.74% is the change from 989 to 685
Calculation steps:
[( 685 - 989 ) ÷ 989] x 100 = -30.74%
Formula
Percentage change = [(685 - 989) / 989] x 100
Subtract the new number by the original number
685 - 989 = -304
-304 ÷ 989 = -0.30738119312436807
-0.30738119312436807 x 100 = -30.74%