-98.89% is the change from 542 to 6
Calculation steps:
[( 6 - 542 ) ÷ 542] x 100 = -98.89%
Formula
Percentage change = [(6 - 542) / 542] x 100
Subtract the new number by the original number
6 - 542 = -536
-536 ÷ 542 = -0.988929889298893
-0.988929889298893 x 100 = -98.89%