-29.7% is the change from 542 to 381
Calculation steps:
[( 381 - 542 ) ÷ 542] x 100 = -29.7%
Formula
Percentage change = [(381 - 542) / 542] x 100
Subtract the new number by the original number
381 - 542 = -161
-161 ÷ 542 = -0.29704797047970477
-0.29704797047970477 x 100 = -29.7%