-26.7% is the change from 543 to 398
Calculation steps:
[( 398 - 543 ) ÷ 543] x 100 = -26.7%
Formula
Percentage change = [(398 - 543) / 543] x 100
Subtract the new number by the original number
398 - 543 = -145
-145 ÷ 543 = -0.26703499079189685
-0.26703499079189685 x 100 = -26.7%