-53.39% is the change from 545 to 254
Calculation steps:
[( 254 - 545 ) ÷ 545] x 100 = -53.39%
Formula
Percentage change = [(254 - 545) / 545] x 100
Subtract the new number by the original number
254 - 545 = -291
-291 ÷ 545 = -0.5339449541284403
-0.5339449541284403 x 100 = -53.39%