-24.22% is the change from 450 to 341
Calculation steps:
[( 341 - 450 ) ÷ 450] x 100 = -24.22%
Formula
Percentage change = [(341 - 450) / 450] x 100
Subtract the new number by the original number
341 - 450 = -109
-109 ÷ 450 = -0.24222222222222223
-0.24222222222222223 x 100 = -24.22%