-49.61% is the change from 909 to 458
Calculation steps:
[( 458 - 909 ) ÷ 909] x 100 = -49.61%
Formula
Percentage change = [(458 - 909) / 909] x 100
Subtract the new number by the original number
458 - 909 = -451
-451 ÷ 909 = -0.4961496149614962
-0.4961496149614962 x 100 = -49.61%