-64.58% is the change from 542 to 192
Calculation steps:
[( 192 - 542 ) ÷ 542] x 100 = -64.58%
Formula
Percentage change = [(192 - 542) / 542] x 100
Subtract the new number by the original number
192 - 542 = -350
-350 ÷ 542 = -0.6457564575645757
-0.6457564575645757 x 100 = -64.58%