-4.66% is the change from 880 to 839
Calculation steps:
[( 839 - 880 ) ÷ 880] x 100 = -4.66%
Formula
Percentage change = [(839 - 880) / 880] x 100
Subtract the new number by the original number
839 - 880 = -41
-41 ÷ 880 = -0.04659090909090909
-0.04659090909090909 x 100 = -4.66%