11% is the change from 491 to 545
Calculation steps:
[( 545 - 491 ) ÷ 491] x 100 = 11%
Formula
Percentage change = [(545 - 491) / 491] x 100
Subtract the new number by the original number
545 - 491 = 54
54 ÷ 491 = 0.109979633401222
0.109979633401222 x 100 = 11%