-21.63% is the change from 541 to 424
Calculation steps:
[( 424 - 541 ) ÷ 541] x 100 = -21.63%
Formula
Percentage change = [(424 - 541) / 541] x 100
Subtract the new number by the original number
424 - 541 = -117
-117 ÷ 541 = -0.21626617375231053
-0.21626617375231053 x 100 = -21.63%