6.41% is the change from 515 to 548
Calculation steps:
[( 548 - 515 ) ÷ 515] x 100 = 6.41%
Formula
Percentage change = [(548 - 515) / 515] x 100
Subtract the new number by the original number
548 - 515 = 33
33 ÷ 515 = 0.06407766990291262
0.06407766990291262 x 100 = 6.41%