270.27% is the change from 148 to 548
Calculation steps:
[( 548 - 148 ) ÷ 148] x 100 = 270.27%
Formula
Percentage change = [(548 - 148) / 148] x 100
Subtract the new number by the original number
548 - 148 = 400
400 ÷ 148 = 2.7027027027027026
2.7027027027027026 x 100 = 270.27%