-38.01% is the change from 542 to 336
Calculation steps:
[( 336 - 542 ) ÷ 542] x 100 = -38.01%
Formula
Percentage change = [(336 - 542) / 542] x 100
Subtract the new number by the original number
336 - 542 = -206
-206 ÷ 542 = -0.3800738007380074
-0.3800738007380074 x 100 = -38.01%