-74.59% is the change from 543 to 138
Calculation steps:
[( 138 - 543 ) ÷ 543] x 100 = -74.59%
Formula
Percentage change = [(138 - 543) / 543] x 100
Subtract the new number by the original number
138 - 543 = -405
-405 ÷ 543 = -0.7458563535911602
-0.7458563535911602 x 100 = -74.59%