-94.9% is the change from 686 to 35
Calculation steps:
[( 35 - 686 ) ÷ 686] x 100 = -94.9%
Formula
Percentage change = [(35 - 686) / 686] x 100
Subtract the new number by the original number
35 - 686 = -651
-651 ÷ 686 = -0.9489795918367347
-0.9489795918367347 x 100 = -94.9%