-72.35% is the change from 879 to 243
Calculation steps:
[( 243 - 879 ) ÷ 879] x 100 = -72.35%
Formula
Percentage change = [(243 - 879) / 879] x 100
Subtract the new number by the original number
243 - 879 = -636
-636 ÷ 879 = -0.7235494880546075
-0.7235494880546075 x 100 = -72.35%