247.3% is the change from 148 to 514
Calculation steps:
[( 514 - 148 ) ÷ 148] x 100 = 247.3%
Formula
Percentage change = [(514 - 148) / 148] x 100
Subtract the new number by the original number
514 - 148 = 366
366 ÷ 148 = 2.472972972972973
2.472972972972973 x 100 = 247.3%