-42.86% is the change from 861 to 492
Calculation steps:
[( 492 - 861 ) ÷ 861] x 100 = -42.86%
Formula
Percentage change = [(492 - 861) / 861] x 100
Subtract the new number by the original number
492 - 861 = -369
-369 ÷ 861 = -0.42857142857142855
-0.42857142857142855 x 100 = -42.86%