-50.33% is the change from 908 to 451
Calculation steps:
[( 451 - 908 ) ÷ 908] x 100 = -50.33%
Formula
Percentage change = [(451 - 908) / 908] x 100
Subtract the new number by the original number
451 - 908 = -457
-457 ÷ 908 = -0.5033039647577092
-0.5033039647577092 x 100 = -50.33%