-77.59% is the change from 879 to 197
Calculation steps:
[( 197 - 879 ) ÷ 879] x 100 = -77.59%
Formula
Percentage change = [(197 - 879) / 879] x 100
Subtract the new number by the original number
197 - 879 = -682
-682 ÷ 879 = -0.7758816837315131
-0.7758816837315131 x 100 = -77.59%