-19.04% is the change from 541 to 438
Calculation steps:
[( 438 - 541 ) ÷ 541] x 100 = -19.04%
Formula
Percentage change = [(438 - 541) / 541] x 100
Subtract the new number by the original number
438 - 541 = -103
-103 ÷ 541 = -0.19038817005545286
-0.19038817005545286 x 100 = -19.04%