-25.73% is the change from 342 to 254
Calculation steps:
[( 254 - 342 ) ÷ 342] x 100 = -25.73%
Formula
Percentage change = [(254 - 342) / 342] x 100
Subtract the new number by the original number
254 - 342 = -88
-88 ÷ 342 = -0.2573099415204678
-0.2573099415204678 x 100 = -25.73%