-33.46% is the change from 514 to 342
Calculation steps:
[( 342 - 514 ) ÷ 514] x 100 = -33.46%
Formula
Percentage change = [(342 - 514) / 514] x 100
Subtract the new number by the original number
342 - 514 = -172
-172 ÷ 514 = -0.3346303501945525
-0.3346303501945525 x 100 = -33.46%