-47.6% is the change from 542 to 284
Calculation steps:
[( 284 - 542 ) ÷ 542] x 100 = -47.6%
Formula
Percentage change = [(284 - 542) / 542] x 100
Subtract the new number by the original number
284 - 542 = -258
-258 ÷ 542 = -0.47601476014760147
-0.47601476014760147 x 100 = -47.6%