-24.95% is the change from 545 to 409
Calculation steps:
[( 409 - 545 ) ÷ 545] x 100 = -24.95%
Formula
Percentage change = [(409 - 545) / 545] x 100
Subtract the new number by the original number
409 - 545 = -136
-136 ÷ 545 = -0.24954128440366974
-0.24954128440366974 x 100 = -24.95%