7.3% is the change from 548 to 588
Calculation steps:
[( 588 - 548 ) ÷ 548] x 100 = 7.3%
Formula
Percentage change = [(588 - 548) / 548] x 100
Subtract the new number by the original number
588 - 548 = 40
40 ÷ 548 = 0.072992700729927
0.072992700729927 x 100 = 7.3%