-25.41% is the change from 543 to 405
Calculation steps:
[( 405 - 543 ) ÷ 543] x 100 = -25.41%
Formula
Percentage change = [(405 - 543) / 543] x 100
Subtract the new number by the original number
405 - 543 = -138
-138 ÷ 543 = -0.2541436464088398
-0.2541436464088398 x 100 = -25.41%