-11.93% is the change from 545 to 480
Calculation steps:
[( 480 - 545 ) ÷ 545] x 100 = -11.93%
Formula
Percentage change = [(480 - 545) / 545] x 100
Subtract the new number by the original number
480 - 545 = -65
-65 ÷ 545 = -0.11926605504587157
-0.11926605504587157 x 100 = -11.93%