-77.02% is the change from 879 to 202
Calculation steps:
[( 202 - 879 ) ÷ 879] x 100 = -77.02%
Formula
Percentage change = [(202 - 879) / 879] x 100
Subtract the new number by the original number
202 - 879 = -677
-677 ÷ 879 = -0.770193401592719
-0.770193401592719 x 100 = -77.02%