-58.31% is the change from 686 to 286
Calculation steps:
[( 286 - 686 ) ÷ 686] x 100 = -58.31%
Formula
Percentage change = [(286 - 686) / 686] x 100
Subtract the new number by the original number
286 - 686 = -400
-400 ÷ 686 = -0.5830903790087464
-0.5830903790087464 x 100 = -58.31%