-18.13% is the change from 535 to 438
Calculation steps:
[( 438 - 535 ) ÷ 535] x 100 = -18.13%
Formula
Percentage change = [(438 - 535) / 535] x 100
Subtract the new number by the original number
438 - 535 = -97
-97 ÷ 535 = -0.18130841121495328
-0.18130841121495328 x 100 = -18.13%