-26.95% is the change from 538 to 393
Calculation steps:
[( 393 - 538 ) ÷ 538] x 100 = -26.95%
Formula
Percentage change = [(393 - 538) / 538] x 100
Subtract the new number by the original number
393 - 538 = -145
-145 ÷ 538 = -0.2695167286245353
-0.2695167286245353 x 100 = -26.95%