-65.48% is the change from 985 to 340
Calculation steps:
[( 340 - 985 ) ÷ 985] x 100 = -65.48%
Formula
Percentage change = [(340 - 985) / 985] x 100
Subtract the new number by the original number
340 - 985 = -645
-645 ÷ 985 = -0.6548223350253807
-0.6548223350253807 x 100 = -65.48%