-72.14% is the change from 542 to 151
Calculation steps:
[( 151 - 542 ) ÷ 542] x 100 = -72.14%
Formula
Percentage change = [(151 - 542) / 542] x 100
Subtract the new number by the original number
151 - 542 = -391
-391 ÷ 542 = -0.7214022140221402
-0.7214022140221402 x 100 = -72.14%