-68.93% is the change from 985 to 306
Calculation steps:
[( 306 - 985 ) ÷ 985] x 100 = -68.93%
Formula
Percentage change = [(306 - 985) / 985] x 100
Subtract the new number by the original number
306 - 985 = -679
-679 ÷ 985 = -0.6893401015228426
-0.6893401015228426 x 100 = -68.93%