-50.77% is the change from 908 to 447
Calculation steps:
[( 447 - 908 ) ÷ 908] x 100 = -50.77%
Formula
Percentage change = [(447 - 908) / 908] x 100
Subtract the new number by the original number
447 - 908 = -461
-461 ÷ 908 = -0.5077092511013216
-0.5077092511013216 x 100 = -50.77%