-99.45% is the change from 542 to 3
Calculation steps:
[( 3 - 542 ) ÷ 542] x 100 = -99.45%
Formula
Percentage change = [(3 - 542) / 542] x 100
Subtract the new number by the original number
3 - 542 = -539
-539 ÷ 542 = -0.9944649446494465
-0.9944649446494465 x 100 = -99.45%