-70.66% is the change from 542 to 159
Calculation steps:
[( 159 - 542 ) ÷ 542] x 100 = -70.66%
Formula
Percentage change = [(159 - 542) / 542] x 100
Subtract the new number by the original number
159 - 542 = -383
-383 ÷ 542 = -0.7066420664206642
-0.7066420664206642 x 100 = -70.66%