-24.41% is the change from 549 to 415
Calculation steps:
[( 415 - 549 ) ÷ 549] x 100 = -24.41%
Formula
Percentage change = [(415 - 549) / 549] x 100
Subtract the new number by the original number
415 - 549 = -134
-134 ÷ 549 = -0.24408014571949
-0.24408014571949 x 100 = -24.41%