-36.43% is the change from 538 to 342
Calculation steps:
[( 342 - 538 ) ÷ 538] x 100 = -36.43%
Formula
Percentage change = [(342 - 538) / 538] x 100
Subtract the new number by the original number
342 - 538 = -196
-196 ÷ 538 = -0.3643122676579926
-0.3643122676579926 x 100 = -36.43%