6.47% is the change from 510 to 543
Calculation steps:
[( 543 - 510 ) ÷ 510] x 100 = 6.47%
Formula
Percentage change = [(543 - 510) / 510] x 100
Subtract the new number by the original number
543 - 510 = 33
33 ÷ 510 = 0.06470588235294118
0.06470588235294118 x 100 = 6.47%