-58.6% is the change from 686 to 284
Calculation steps:
[( 284 - 686 ) ÷ 686] x 100 = -58.6%
Formula
Percentage change = [(284 - 686) / 686] x 100
Subtract the new number by the original number
284 - 686 = -402
-402 ÷ 686 = -0.5860058309037901
-0.5860058309037901 x 100 = -58.6%