307.43% is the change from 148 to 603
Calculation steps:
[( 603 - 148 ) ÷ 148] x 100 = 307.43%
Formula
Percentage change = [(603 - 148) / 148] x 100
Subtract the new number by the original number
603 - 148 = 455
455 ÷ 148 = 3.074324324324324
3.074324324324324 x 100 = 307.43%