-25.36% is the change from 548 to 409
Calculation steps:
[( 409 - 548 ) ÷ 548] x 100 = -25.36%
Formula
Percentage change = [(409 - 548) / 548] x 100
Subtract the new number by the original number
409 - 548 = -139
-139 ÷ 548 = -0.25364963503649635
-0.25364963503649635 x 100 = -25.36%