-53.78% is the change from 543 to 251
Calculation steps:
[( 251 - 543 ) ÷ 543] x 100 = -53.78%
Formula
Percentage change = [(251 - 543) / 543] x 100
Subtract the new number by the original number
251 - 543 = -292
-292 ÷ 543 = -0.5377532228360957
-0.5377532228360957 x 100 = -53.78%