-49.83% is the change from 903 to 453
Calculation steps:
[( 453 - 903 ) ÷ 903] x 100 = -49.83%
Formula
Percentage change = [(453 - 903) / 903] x 100
Subtract the new number by the original number
453 - 903 = -450
-450 ÷ 903 = -0.4983388704318937
-0.4983388704318937 x 100 = -49.83%