149.2% is the change from 250 to 623
Calculation steps:
[( 623 - 250 ) ÷ 250] x 100 = 149.2%
Formula
Percentage change = [(623 - 250) / 250] x 100
Subtract the new number by the original number
623 - 250 = 373
373 ÷ 250 = 1.492
1.492 x 100 = 149.2%
Example