-76.22% is the change from 879 to 209
Calculation steps:
[( 209 - 879 ) ÷ 879] x 100 = -76.22%
Formula
Percentage change = [(209 - 879) / 879] x 100
Subtract the new number by the original number
209 - 879 = -670
-670 ÷ 879 = -0.7622298065984073
-0.7622298065984073 x 100 = -76.22%