-71.22% is the change from 542 to 156
Calculation steps:
[( 156 - 542 ) ÷ 542] x 100 = -71.22%
Formula
Percentage change = [(156 - 542) / 542] x 100
Subtract the new number by the original number
156 - 542 = -386
-386 ÷ 542 = -0.7121771217712177
-0.7121771217712177 x 100 = -71.22%