150.4% is the change from 248 to 621
Calculation steps:
[( 621 - 248 ) ÷ 248] x 100 = 150.4%
Formula
Percentage change = [(621 - 248) / 248] x 100
Subtract the new number by the original number
621 - 248 = 373
373 ÷ 248 = 1.5040322580645162
1.5040322580645162 x 100 = 150.4%