-61.81% is the change from 542 to 207
Calculation steps:
[( 207 - 542 ) ÷ 542] x 100 = -61.81%
Formula
Percentage change = [(207 - 542) / 542] x 100
Subtract the new number by the original number
207 - 542 = -335
-335 ÷ 542 = -0.6180811808118081
-0.6180811808118081 x 100 = -61.81%