-52.67% is the change from 543 to 257
Calculation steps:
[( 257 - 543 ) ÷ 543] x 100 = -52.67%
Formula
Percentage change = [(257 - 543) / 543] x 100
Subtract the new number by the original number
257 - 543 = -286
-286 ÷ 543 = -0.5267034990791897
-0.5267034990791897 x 100 = -52.67%