-5.14% is the change from 545 to 517
Calculation steps:
[( 517 - 545 ) ÷ 545] x 100 = -5.14%
Formula
Percentage change = [(517 - 545) / 545] x 100
Subtract the new number by the original number
517 - 545 = -28
-28 ÷ 545 = -0.05137614678899083
-0.05137614678899083 x 100 = -5.14%