-68.42% is the change from 342 to 108
Calculation steps:
[( 108 - 342 ) ÷ 342] x 100 = -68.42%
Formula
Percentage change = [(108 - 342) / 342] x 100
Subtract the new number by the original number
108 - 342 = -234
-234 ÷ 342 = -0.6842105263157895
-0.6842105263157895 x 100 = -68.42%