-27.34% is the change from 545 to 396
Calculation steps:
[( 396 - 545 ) ÷ 545] x 100 = -27.34%
Formula
Percentage change = [(396 - 545) / 545] x 100
Subtract the new number by the original number
396 - 545 = -149
-149 ÷ 545 = -0.27339449541284405
-0.27339449541284405 x 100 = -27.34%