-9.58% is the change from 543 to 491
Calculation steps:
[( 491 - 543 ) ÷ 543] x 100 = -9.58%
Formula
Percentage change = [(491 - 543) / 543] x 100
Subtract the new number by the original number
491 - 543 = -52
-52 ÷ 543 = -0.09576427255985268
-0.09576427255985268 x 100 = -9.58%