-68.53% is the change from 985 to 310
Calculation steps:
[( 310 - 985 ) ÷ 985] x 100 = -68.53%
Formula
Percentage change = [(310 - 985) / 985] x 100
Subtract the new number by the original number
310 - 985 = -675
-675 ÷ 985 = -0.6852791878172588
-0.6852791878172588 x 100 = -68.53%