-62.97% is the change from 686 to 254
Calculation steps:
[( 254 - 686 ) ÷ 686] x 100 = -62.97%
Formula
Percentage change = [(254 - 686) / 686] x 100
Subtract the new number by the original number
254 - 686 = -432
-432 ÷ 686 = -0.6297376093294461
-0.6297376093294461 x 100 = -62.97%