-24.01% is the change from 454 to 345
Calculation steps:
[( 345 - 454 ) ÷ 454] x 100 = -24.01%
Formula
Percentage change = [(345 - 454) / 454] x 100
Subtract the new number by the original number
345 - 454 = -109
-109 ÷ 454 = -0.24008810572687225
-0.24008810572687225 x 100 = -24.01%