-34.51% is the change from 426 to 279
Calculation steps:
[( 279 - 426 ) ÷ 426] x 100 = -34.51%
Formula
Percentage change = [(279 - 426) / 426] x 100
Subtract the new number by the original number
279 - 426 = -147
-147 ÷ 426 = -0.34507042253521125
-0.34507042253521125 x 100 = -34.51%