-30.1% is the change from 980 to 685
Calculation steps:
[( 685 - 980 ) ÷ 980] x 100 = -30.1%
Formula
Percentage change = [(685 - 980) / 980] x 100
Subtract the new number by the original number
685 - 980 = -295
-295 ÷ 980 = -0.3010204081632653
-0.3010204081632653 x 100 = -30.1%