-41.63% is the change from 478 to 279
Calculation steps:
[( 279 - 478 ) ÷ 478] x 100 = -41.63%
Formula
Percentage change = [(279 - 478) / 478] x 100
Subtract the new number by the original number
279 - 478 = -199
-199 ÷ 478 = -0.41631799163179917
-0.41631799163179917 x 100 = -41.63%