-53.69% is the change from 542 to 251
Calculation steps:
[( 251 - 542 ) ÷ 542] x 100 = -53.69%
Formula
Percentage change = [(251 - 542) / 542] x 100
Subtract the new number by the original number
251 - 542 = -291
-291 ÷ 542 = -0.5369003690036901
-0.5369003690036901 x 100 = -53.69%