-93.85% is the change from 439 to 27
Calculation steps:
[( 27 - 439 ) ÷ 439] x 100 = -93.85%
Formula
Percentage change = [(27 - 439) / 439] x 100
Subtract the new number by the original number
27 - 439 = -412
-412 ÷ 439 = -0.9384965831435079
-0.9384965831435079 x 100 = -93.85%