-78.79% is the change from 877 to 186
Calculation steps:
[( 186 - 877 ) ÷ 877] x 100 = -78.79%
Formula
Percentage change = [(186 - 877) / 877] x 100
Subtract the new number by the original number
186 - 877 = -691
-691 ÷ 877 = -0.7879133409350056
-0.7879133409350056 x 100 = -78.79%