-47.71% is the change from 545 to 285
Calculation steps:
[( 285 - 545 ) ÷ 545] x 100 = -47.71%
Formula
Percentage change = [(285 - 545) / 545] x 100
Subtract the new number by the original number
285 - 545 = -260
-260 ÷ 545 = -0.47706422018348627
-0.47706422018348627 x 100 = -47.71%