-22.86% is the change from 538 to 415
Calculation steps:
[( 415 - 538 ) ÷ 538] x 100 = -22.86%
Formula
Percentage change = [(415 - 538) / 538] x 100
Subtract the new number by the original number
415 - 538 = -123
-123 ÷ 538 = -0.22862453531598512
-0.22862453531598512 x 100 = -22.86%