-21.19% is the change from 538 to 424
Calculation steps:
[( 424 - 538 ) ÷ 538] x 100 = -21.19%
Formula
Percentage change = [(424 - 538) / 538] x 100
Subtract the new number by the original number
424 - 538 = -114
-114 ÷ 538 = -0.21189591078066913
-0.21189591078066913 x 100 = -21.19%