-84.09% is the change from 880 to 140
Calculation steps:
[( 140 - 880 ) ÷ 880] x 100 = -84.09%
Formula
Percentage change = [(140 - 880) / 880] x 100
Subtract the new number by the original number
140 - 880 = -740
-740 ÷ 880 = -0.8409090909090909
-0.8409090909090909 x 100 = -84.09%