-3.92% is the change from 868 to 834
Calculation steps:
[( 834 - 868 ) ÷ 868] x 100 = -3.92%
Formula
Percentage change = [(834 - 868) / 868] x 100
Subtract the new number by the original number
834 - 868 = -34
-34 ÷ 868 = -0.03917050691244239
-0.03917050691244239 x 100 = -3.92%