-99.63% is the change from 542 to 2
Calculation steps:
[( 2 - 542 ) ÷ 542] x 100 = -99.63%
Formula
Percentage change = [(2 - 542) / 542] x 100
Subtract the new number by the original number
2 - 542 = -540
-540 ÷ 542 = -0.996309963099631
-0.996309963099631 x 100 = -99.63%