48.72% is the change from 548 to 815
Calculation steps:
[( 815 - 548 ) ÷ 548] x 100 = 48.72%
Formula
Percentage change = [(815 - 548) / 548] x 100
Subtract the new number by the original number
815 - 548 = 267
267 ÷ 548 = 0.48722627737226276
0.48722627737226276 x 100 = 48.72%