-57.31% is the change from 342 to 146
Calculation steps:
[( 146 - 342 ) ÷ 342] x 100 = -57.31%
Formula
Percentage change = [(146 - 342) / 342] x 100
Subtract the new number by the original number
146 - 342 = -196
-196 ÷ 342 = -0.5730994152046783
-0.5730994152046783 x 100 = -57.31%