-42.22% is the change from 938 to 542
Calculation steps:
[( 542 - 938 ) ÷ 938] x 100 = -42.22%
Formula
Percentage change = [(542 - 938) / 938] x 100
Subtract the new number by the original number
542 - 938 = -396
-396 ÷ 938 = -0.42217484008528783
-0.42217484008528783 x 100 = -42.22%