-23.08% is the change from 455 to 350
Calculation steps:
[( 350 - 455 ) ÷ 455] x 100 = -23.08%
Formula
Percentage change = [(350 - 455) / 455] x 100
Subtract the new number by the original number
350 - 455 = -105
-105 ÷ 455 = -0.23076923076923078
-0.23076923076923078 x 100 = -23.08%