-23.11% is the change from 450 to 346
Calculation steps:
[( 346 - 450 ) ÷ 450] x 100 = -23.11%
Formula
Percentage change = [(346 - 450) / 450] x 100
Subtract the new number by the original number
346 - 450 = -104
-104 ÷ 450 = -0.2311111111111111
-0.2311111111111111 x 100 = -23.11%