-40.06% is the change from 342 to 205
Calculation steps:
[( 205 - 342 ) ÷ 342] x 100 = -40.06%
Formula
Percentage change = [(205 - 342) / 342] x 100
Subtract the new number by the original number
205 - 342 = -137
-137 ÷ 342 = -0.40058479532163743
-0.40058479532163743 x 100 = -40.06%