-10.28% is the change from 545 to 489
Calculation steps:
[( 489 - 545 ) ÷ 545] x 100 = -10.28%
Formula
Percentage change = [(489 - 545) / 545] x 100
Subtract the new number by the original number
489 - 545 = -56
-56 ÷ 545 = -0.10275229357798166
-0.10275229357798166 x 100 = -10.28%