-79.63% is the change from 869 to 177
Calculation steps:
[( 177 - 869 ) ÷ 869] x 100 = -79.63%
Formula
Percentage change = [(177 - 869) / 869] x 100
Subtract the new number by the original number
177 - 869 = -692
-692 ÷ 869 = -0.7963176064441887
-0.7963176064441887 x 100 = -79.63%