-41.14% is the change from 542 to 319
Calculation steps:
[( 319 - 542 ) ÷ 542] x 100 = -41.14%
Formula
Percentage change = [(319 - 542) / 542] x 100
Subtract the new number by the original number
319 - 542 = -223
-223 ÷ 542 = -0.4114391143911439
-0.4114391143911439 x 100 = -41.14%