-84.26% is the change from 877 to 138
Calculation steps:
[( 138 - 877 ) ÷ 877] x 100 = -84.26%
Formula
Percentage change = [(138 - 877) / 877] x 100
Subtract the new number by the original number
138 - 877 = -739
-739 ÷ 877 = -0.8426453819840365
-0.8426453819840365 x 100 = -84.26%