-13.45% is the change from 342 to 296
Calculation steps:
[( 296 - 342 ) ÷ 342] x 100 = -13.45%
Formula
Percentage change = [(296 - 342) / 342] x 100
Subtract the new number by the original number
296 - 342 = -46
-46 ÷ 342 = -0.13450292397660818
-0.13450292397660818 x 100 = -13.45%