-49.45% is the change from 542 to 274
Calculation steps:
[( 274 - 542 ) ÷ 542] x 100 = -49.45%
Formula
Percentage change = [(274 - 542) / 542] x 100
Subtract the new number by the original number
274 - 542 = -268
-268 ÷ 542 = -0.4944649446494465
-0.4944649446494465 x 100 = -49.45%