-34.5% is the change from 542 to 355
Calculation steps:
[( 355 - 542 ) ÷ 542] x 100 = -34.5%
Formula
Percentage change = [(355 - 542) / 542] x 100
Subtract the new number by the original number
355 - 542 = -187
-187 ÷ 542 = -0.34501845018450183
-0.34501845018450183 x 100 = -34.5%