-95.02% is the change from 542 to 27
Calculation steps:
[( 27 - 542 ) ÷ 542] x 100 = -95.02%
Formula
Percentage change = [(27 - 542) / 542] x 100
Subtract the new number by the original number
27 - 542 = -515
-515 ÷ 542 = -0.9501845018450185
-0.9501845018450185 x 100 = -95.02%