-93.68% is the change from 538 to 34
Calculation steps:
[( 34 - 538 ) ÷ 538] x 100 = -93.68%
Formula
Percentage change = [(34 - 538) / 538] x 100
Subtract the new number by the original number
34 - 538 = -504
-504 ÷ 538 = -0.9368029739776952
-0.9368029739776952 x 100 = -93.68%