-51.56% is the change from 927 to 449
Calculation steps:
[( 449 - 927 ) ÷ 927] x 100 = -51.56%
Formula
Percentage change = [(449 - 927) / 927] x 100
Subtract the new number by the original number
449 - 927 = -478
-478 ÷ 927 = -0.5156418554476807
-0.5156418554476807 x 100 = -51.56%