-28.36% is the change from 543 to 389
Calculation steps:
[( 389 - 543 ) ÷ 543] x 100 = -28.36%
Formula
Percentage change = [(389 - 543) / 543] x 100
Subtract the new number by the original number
389 - 543 = -154
-154 ÷ 543 = -0.283609576427256
-0.283609576427256 x 100 = -28.36%