-96.86% is the change from 542 to 17
Calculation steps:
[( 17 - 542 ) ÷ 542] x 100 = -96.86%
Formula
Percentage change = [(17 - 542) / 542] x 100
Subtract the new number by the original number
17 - 542 = -525
-525 ÷ 542 = -0.9686346863468634
-0.9686346863468634 x 100 = -96.86%