-68.69% is the change from 891 to 279
Calculation steps:
[( 279 - 891 ) ÷ 891] x 100 = -68.69%
Formula
Percentage change = [(279 - 891) / 891] x 100
Subtract the new number by the original number
279 - 891 = -612
-612 ÷ 891 = -0.6868686868686869
-0.6868686868686869 x 100 = -68.69%