-24.84% is the change from 455 to 342
Calculation steps:
[( 342 - 455 ) ÷ 455] x 100 = -24.84%
Formula
Percentage change = [(342 - 455) / 455] x 100
Subtract the new number by the original number
342 - 455 = -113
-113 ÷ 455 = -0.24835164835164836
-0.24835164835164836 x 100 = -24.84%