-31.06% is the change from 995 to 686
Calculation steps:
[( 686 - 995 ) ÷ 995] x 100 = -31.06%
Formula
Percentage change = [(686 - 995) / 995] x 100
Subtract the new number by the original number
686 - 995 = -309
-309 ÷ 995 = -0.31055276381909547
-0.31055276381909547 x 100 = -31.06%