-25.28% is the change from 542 to 405
Calculation steps:
[( 405 - 542 ) ÷ 542] x 100 = -25.28%
Formula
Percentage change = [(405 - 542) / 542] x 100
Subtract the new number by the original number
405 - 542 = -137
-137 ÷ 542 = -0.25276752767527677
-0.25276752767527677 x 100 = -25.28%