337.24% is the change from 145 to 634
Calculation steps:
[( 634 - 145 ) ÷ 145] x 100 = 337.24%
Formula
Percentage change = [(634 - 145) / 145] x 100
Subtract the new number by the original number
634 - 145 = 489
489 ÷ 145 = 3.372413793103448
3.372413793103448 x 100 = 337.24%