-63.65% is the change from 542 to 197
Calculation steps:
[( 197 - 542 ) ÷ 542] x 100 = -63.65%
Formula
Percentage change = [(197 - 542) / 542] x 100
Subtract the new number by the original number
197 - 542 = -345
-345 ÷ 542 = -0.6365313653136532
-0.6365313653136532 x 100 = -63.65%