-65.74% is the change from 686 to 235
Calculation steps:
[( 235 - 686 ) ÷ 686] x 100 = -65.74%
Formula
Percentage change = [(235 - 686) / 686] x 100
Subtract the new number by the original number
235 - 686 = -451
-451 ÷ 686 = -0.6574344023323615
-0.6574344023323615 x 100 = -65.74%