-66.79% is the change from 542 to 180
Calculation steps:
[( 180 - 542 ) ÷ 542] x 100 = -66.79%
Formula
Percentage change = [(180 - 542) / 542] x 100
Subtract the new number by the original number
180 - 542 = -362
-362 ÷ 542 = -0.6678966789667896
-0.6678966789667896 x 100 = -66.79%