-56.14% is the change from 342 to 150
Calculation steps:
[( 150 - 342 ) ÷ 342] x 100 = -56.14%
Formula
Percentage change = [(150 - 342) / 342] x 100
Subtract the new number by the original number
150 - 342 = -192
-192 ÷ 342 = -0.5614035087719298
-0.5614035087719298 x 100 = -56.14%